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1053345280 = 29513311021
BaseRepresentation
bin111110110010001…
…100011000000000
32201102001111002011
4332302030120000
54124124022110
6252304502304
735050200331
oct7662143000
92642044064
101053345280
114a0649999
1225491a994
1313a2c7140
149dc76288
156271c48a
hex3ec8c600

1053345280 has 160 divisors (see below), whose sum is σ = 2810320128. Its totient is φ = 376012800.

The previous prime is 1053345263. The next prime is 1053345287. The reversal of 1053345280 is 825433501.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×10533452802 = 2219072557796556800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053345287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031170 + ... + 1032190.

Almost surely, 21053345280 is an apocalyptic number.

1053345280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053345280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405160064).

1053345280 is an abundant number, since it is smaller than the sum of its proper divisors (1756974848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053345280 is a wasteful number, since it uses less digits than its factorization.

1053345280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1053345280 is about 32455.2812343384. The cubic root of 1053345280 is about 1017.4746189943.

Adding to 1053345280 its reverse (825433501), we get a palindrome (1878778781).

The spelling of 1053345280 in words is "one billion, fifty-three million, three hundred forty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 128 130 155 160 208 248 256 260 310 320 403 416 496 512 520 620 640 806 832 992 1021 1040 1240 1280 1612 1664 1984 2015 2042 2080 2480 2560 3224 3328 3968 4030 4084 4160 4960 5105 6448 6656 7936 8060 8168 8320 9920 10210 12896 13273 15872 16120 16336 16640 19840 20420 25792 26546 31651 32240 32672 33280 39680 40840 51584 53092 63302 64480 65344 66365 79360 81680 103168 106184 126604 128960 130688 132730 158255 163360 206336 212368 253208 257920 261376 265460 316510 326720 411463 424736 506416 515840 522752 530920 633020 653440 822926 849472 1012832 1031680 1061840 1266040 1306880 1645852 1698944 2025664 2057315 2123680 2532080 2613760 3291704 3397888 4051328 4114630 4247360 5064160 6583408 6795776 8102656 8229260 8494720 10128320 13166816 16205312 16458520 16989440 20256640 26333632 32917040 33978880 40513280 52667264 65834080 81026560 105334528 131668160 210669056 263336320 526672640 1053345280