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3254345440 = 25523672197
BaseRepresentation
bin1100000111111001…
…0101111011100000
322101210121212200121
43001332111323200
523131103023230
61254531530024
7143434323403
oct30176257340
98353555617
103254345440
11141aaa1995
12769a59914
133cb2b8ab8
1422c2d3d3a
15140a8577a
hexc1f95ee0

3254345440 has 144 divisors (see below), whose sum is σ = 8185538592. Its totient is φ = 1220330496.

The previous prime is 3254345407. The next prime is 3254345443. The reversal of 3254345440 is 445434523.

It is a junction number, because it is equal to n+sod(n) for n = 3254345396 and 3254345405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3254345443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16519422 + ... + 16519618.

It is an arithmetic number, because the mean of its divisors is an integer number (56844018).

Almost surely, 23254345440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3254345440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4092769296).

3254345440 is an abundant number, since it is smaller than the sum of its proper divisors (4931193152).

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

3254345440 is a wasteful number, since it uses less digits than its factorization.

3254345440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

The square root of 3254345440 is about 57046.8705539576. The cubic root of 3254345440 is about 1481.9079119319.

Adding to 3254345440 its reverse (445434523), we get a palindrome (3699779963).

The spelling of 3254345440 in words is "three billion, two hundred fifty-four million, three hundred forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 67 80 92 115 134 160 184 197 230 268 335 368 394 460 536 670 736 788 920 985 1072 1340 1541 1576 1840 1970 2144 2680 3082 3152 3680 3940 4489 4531 5360 6164 6304 7705 7880 8978 9062 10720 12328 13199 15410 15760 17956 18124 22445 22655 24656 26398 30820 31520 35912 36248 44890 45310 49312 52796 61640 65995 71824 72496 89780 90620 103247 105592 123280 131990 143648 144992 179560 181240 206494 211184 246560 263980 303577 359120 362480 412988 422368 516235 527960 607154 718240 724960 825976 884333 1032470 1055920 1214308 1517885 1651952 1768666 2064940 2111840 2428616 3035770 3303904 3537332 4129880 4421665 4857232 6071540 7074664 8259760 8843330 9714464 12143080 14149328 16519520 17686660 20339659 24286160 28298656 35373320 40679318 48572320 70746640 81358636 101698295 141493280 162717272 203396590 325434544 406793180 650869088 813586360 1627172720 3254345440