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102947932 = 2225736983
BaseRepresentation
bin1100010001011…
…01110001011100
321011201022000101
412020231301130
5202323313212
614114310444
72360020513
oct610556134
9234638011
10102947932
115312533a
122a588424
1318436549
14d95b67a
159088157
hex622dc5c

102947932 has 6 divisors (see below), whose sum is σ = 180158888. Its totient is φ = 51473964.

The previous prime is 102947927. The next prime is 102947953. The reversal of 102947932 is 239749201.

It is a junction number, because it is equal to n+sod(n) for n = 102947891 and 102947900.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12868488 + ... + 12868495.

Almost surely, 2102947932 is an apocalyptic number.

It is an amenable number.

102947932 is a deficient number, since it is larger than the sum of its proper divisors (77210956).

102947932 is a wasteful number, since it uses less digits than its factorization.

102947932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25736987 (or 25736985 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 102947932 is about 10146.3260345802. The cubic root of 102947932 is about 468.6758139901.

The spelling of 102947932 in words is "one hundred two million, nine hundred forty-seven thousand, nine hundred thirty-two".

Divisors: 1 2 4 25736983 51473966 102947932