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102956136 = 23319225781
BaseRepresentation
bin1100010001011…
…11110001101000
321011201201021020
412020233301220
5202324044021
614114412440
72360053443
oct610576150
9234651236
10102956136
1153130518
122a591120
131843a1ba
14d96065a
15908a7c6
hex622fc68

102956136 has 32 divisors (see below), whose sum is σ = 270938400. Its totient is φ = 32512320.

The previous prime is 102956111. The next prime is 102956137. The reversal of 102956136 is 631659201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102956097 and 102956106.

It is not an unprimeable number, because it can be changed into a prime (102956137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112435 + ... + 113346.

It is an arithmetic number, because the mean of its divisors is an integer number (8466825).

Almost surely, 2102956136 is an apocalyptic number.

It is an amenable number.

102956136 is an abundant number, since it is smaller than the sum of its proper divisors (167982264).

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

102956136 is a wasteful number, since it uses less digits than its factorization.

102956136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225809 (or 225805 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 102956136 is about 10146.7303107947. The cubic root of 102956136 is about 468.6882633716.

The spelling of 102956136 in words is "one hundred two million, nine hundred fifty-six thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 225781 451562 677343 903124 1354686 1806248 2709372 4289839 5418744 8579678 12869517 17159356 25739034 34318712 51478068 102956136