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68723932 = 2217180983
BaseRepresentation
bin1000001100010…
…10010011011100
311210022112111211
410012022103130
5120043131212
610452554204
71463100214
oct406122334
9153275454
1068723932
113587a342
121b022964
1311312a64
1491ad244
1560779a7
hex418a4dc

68723932 has 6 divisors (see below), whose sum is σ = 120266888. Its totient is φ = 34361964.

The previous prime is 68723929. The next prime is 68723947. The reversal of 68723932 is 23932786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8590488 + ... + 8590495.

Almost surely, 268723932 is an apocalyptic number.

It is an amenable number.

68723932 is a deficient number, since it is larger than the sum of its proper divisors (51542956).

68723932 is a wasteful number, since it uses less digits than its factorization.

68723932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180987 (or 17180985 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 68723932 is about 8289.9898673038. The cubic root of 68723932 is about 409.6088516230.

The spelling of 68723932 in words is "sixty-eight million, seven hundred twenty-three thousand, nine hundred thirty-two".

Divisors: 1 2 4 17180983 34361966 68723932