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102472992 = 2533118603
BaseRepresentation
bin1100001101110…
…01110100100000
321010211011112000
412012321310200
5202213113432
614100204000
72353002036
oct606716440
9233734460
10102472992
1152930526
122a399600
13182cb30b
14d876556
158ee257c
hex61b9d20

102472992 has 48 divisors (see below), whose sum is σ = 298882080. Its totient is φ = 34157376.

The previous prime is 102472967. The next prime is 102473003. The reversal of 102472992 is 299274201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58438 + ... + 60165.

It is an arithmetic number, because the mean of its divisors is an integer number (6226710).

Almost surely, 2102472992 is an apocalyptic number.

102472992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102472992 is an abundant number, since it is smaller than the sum of its proper divisors (196409088).

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

102472992 is a wasteful number, since it uses less digits than its factorization.

102472992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118622 (or 118608 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 102472992 is about 10122.8944477358. The cubic root of 102472992 is about 467.9539731198.

The spelling of 102472992 in words is "one hundred two million, four hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 118603 237206 355809 474412 711618 948824 1067427 1423236 1897648 2134854 2846472 3202281 3795296 4269708 5692944 6404562 8539416 11385888 12809124 17078832 25618248 34157664 51236496 102472992