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102518928 = 2432711937
BaseRepresentation
bin1100001110001…
…01000010010000
321010220111112100
412013011002100
5202221101203
614101200400
72353253001
oct607050220
9233814470
10102518928
1152961a96
122a400100
13183161b5
14d8891a8
159000ea3
hex61c5090

102518928 has 30 divisors (see below), whose sum is σ = 286911014. Its totient is φ = 34172928.

The previous prime is 102518921. The next prime is 102518929. The reversal of 102518928 is 829815201.

It can be written as a sum of positive squares in only one way, i.e., 53406864 + 49112064 = 7308^2 + 7008^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102518892 and 102518901.

It is not an unprimeable number, because it can be changed into a prime (102518921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355825 + ... + 356112.

Almost surely, 2102518928 is an apocalyptic number.

102518928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102518928 is an abundant number, since it is smaller than the sum of its proper divisors (184392086).

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

102518928 is a wasteful number, since it uses less digits than its factorization.

102518928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711951 (or 711942 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 102518928 is about 10125.1631097973. The cubic root of 102518928 is about 468.0238865739.

The spelling of 102518928 in words is "one hundred two million, five hundred eighteen thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 711937 1423874 2135811 2847748 4271622 5695496 6407433 8543244 11390992 12814866 17086488 25629732 34172976 51259464 102518928