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104072652 = 223219712143
BaseRepresentation
bin1100011010000…
…00010111001100
321020211102211200
412031000113030
5203120311102
614154345500
72402413545
oct615002714
9236742750
10104072652
1153823362
122aa2b290
131873b468
14db714cc
15920b51c
hex63405cc

104072652 has 72 divisors (see below), whose sum is σ = 280949760. Its totient is φ = 32387040.

The previous prime is 104072651. The next prime is 104072659. The reversal of 104072652 is 256270401.

104072652 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 7 + 2 + 652 = 666.

It is a super-2 number, since 2×1040726522 = 21662233788626208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104072651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47493 + ... + 49635.

It is an arithmetic number, because the mean of its divisors is an integer number (3902080).

Almost surely, 2104072652 is an apocalyptic number.

104072652 is a gapful number since it is divisible by the number (12) 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 104072652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140474880).

104072652 is an abundant number, since it is smaller than the sum of its proper divisors (176877108).

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

104072652 is a wasteful number, since it uses less digits than its factorization.

104072652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 104072652 is about 10201.6004626725. The cubic root of 104072652 is about 470.3764179314.

The spelling of 104072652 in words is "one hundred four million, seventy-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 71 76 114 142 171 213 228 284 342 426 639 684 852 1278 1349 2143 2556 2698 4047 4286 5396 6429 8094 8572 12141 12858 16188 19287 24282 25716 38574 40717 48564 77148 81434 122151 152153 162868 244302 304306 366453 456459 488604 608612 732906 912918 1369377 1465812 1825836 2738754 2890907 5477508 5781814 8672721 11563628 17345442 26018163 34690884 52036326 104072652