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102155682 = 23411073881
BaseRepresentation
bin1100001011011…
…00010110100010
321010020001020210
412011230112202
5202122440212
614045314550
72350210656
oct605542642
9233201223
10102155682
1152734092
122a265a56
1318219a65
14d7d2a66
158e7d53c
hex616c5a2

102155682 has 32 divisors (see below), whose sum is σ = 211305024. Its totient is φ = 32902400.

The previous prime is 102155681. The next prime is 102155699. The reversal of 102155682 is 286551201.

It is not an unprimeable number, because it can be changed into a prime (102155681) 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, 24382 + ... + 28262.

It is an arithmetic number, because the mean of its divisors is an integer number (6603282).

Almost surely, 2102155682 is an apocalyptic number.

102155682 is an abundant number, since it is smaller than the sum of its proper divisors (109149342).

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

102155682 is a wasteful number, since it uses less digits than its factorization.

102155682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 102155682 is about 10107.2094071509. The cubic root of 102155682 is about 467.4704635938.

The spelling of 102155682 in words is "one hundred two million, one hundred fifty-five thousand, six hundred eighty-two".

Divisors: 1 2 3 6 41 82 107 123 214 246 321 642 3881 4387 7762 8774 11643 13161 23286 26322 159121 318242 415267 477363 830534 954726 1245801 2491602 17025947 34051894 51077841 102155682