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68880804 = 22317337651
BaseRepresentation
bin1000001101100…
…00100110100100
311210121111200220
410012300212210
5120113141204
610500204340
71464322446
oct406604644
9153544626
1068880804
1135977193
121b0996b0
1311369295
149210496
1560a91d9
hex41b09a4

68880804 has 24 divisors (see below), whose sum is σ = 170176608. Its totient is φ = 21609600.

The previous prime is 68880751. The next prime is 68880839. The reversal of 68880804 is 40808886.

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, 168622 + ... + 169029.

It is an arithmetic number, because the mean of its divisors is an integer number (7090692).

Almost surely, 268880804 is an apocalyptic number.

It is an amenable number.

68880804 is an abundant number, since it is smaller than the sum of its proper divisors (101295804).

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

68880804 is a wasteful number, since it uses less digits than its factorization.

68880804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337675 (or 337673 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 68880804 is about 8299.4460056078. The cubic root of 68880804 is about 409.9202779756.

The spelling of 68880804 in words is "sixty-eight million, eight hundred eighty thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 337651 675302 1012953 1350604 2025906 4051812 5740067 11480134 17220201 22960268 34440402 68880804