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101620480 = 2851331197
BaseRepresentation
bin1100000111010…
…01101100000000
321002012212002111
412003221230000
5202003323410
614030025104
72342521423
oct603515400
9232185074
10101620480
11523a8a75
122a048194
1318090280
14d6d39ba
158dc4b8a
hex60e9b00

101620480 has 144 divisors (see below), whose sum is σ = 271966464. Its totient is φ = 36126720.

The previous prime is 101620471. The next prime is 101620501. The reversal of 101620480 is 84026101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515742 + ... + 515938.

It is an arithmetic number, because the mean of its divisors is an integer number (1888656).

Almost surely, 2101620480 is an apocalyptic number.

101620480 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 101620480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135983232).

101620480 is an abundant number, since it is smaller than the sum of its proper divisors (170345984).

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

101620480 is a wasteful number, since it uses less digits than its factorization.

101620480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 101620480 is about 10080.6983885046. The cubic root of 101620480 is about 466.6526617112.

Adding to 101620480 its reverse (84026101), we get a palindrome (185646581).

The spelling of 101620480 in words is "one hundred one million, six hundred twenty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 128 130 155 160 197 208 248 256 260 310 320 394 403 416 496 520 620 640 788 806 832 985 992 1040 1240 1280 1576 1612 1664 1970 1984 2015 2080 2480 2561 3152 3224 3328 3940 3968 4030 4160 4960 5122 6107 6304 6448 7880 7936 8060 8320 9920 10244 12214 12608 12805 12896 15760 16120 16640 19840 20488 24428 25216 25610 25792 30535 31520 32240 39680 40976 48856 50432 51220 51584 61070 63040 64480 79391 81952 97712 102440 103168 122140 126080 128960 158782 163904 195424 204880 244280 252160 257920 317564 327808 390848 396955 409760 488560 515840 635128 655616 781696 793910 819520 977120 1270256 1563392 1587820 1639040 1954240 2540512 3175640 3278080 3908480 5081024 6351280 7816960 10162048 12702560 20324096 25405120 50810240 101620480