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68804932 = 2272457319
BaseRepresentation
bin1000001100111…
…10000101000100
311210110122121211
410012132011010
5120103224212
610454421204
71463555320
oct406360504
9153418554
1068804932
1135925189
121b061804
13113408a1
1491d0980
1560919a7
hex419e144

68804932 has 12 divisors (see below), whose sum is σ = 137609920. Its totient is φ = 29487816.

The previous prime is 68804887. The next prime is 68804987. The reversal of 68804932 is 23940886.

68804932 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228632 + ... + 1228687.

Almost surely, 268804932 is an apocalyptic number.

It is an amenable number.

68804932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68804932 is a wasteful number, since it uses less digits than its factorization.

68804932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457330 (or 2457328 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 68804932 is about 8294.8738387030. The cubic root of 68804932 is about 409.7697140260.

The spelling of 68804932 in words is "sixty-eight million, eight hundred four thousand, nine hundred thirty-two".

Divisors: 1 2 4 7 14 28 2457319 4914638 9829276 17201233 34402466 68804932