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68772932 = 2219904907
BaseRepresentation
bin1000001100101…
…10010001000100
311210102000201122
410012112101010
5120101213212
610454013112
71463363114
oct406262104
9153360648
1068772932
1135903138
121b047198
131132c157
1491c3044
156087272
hex4196444

68772932 has 12 divisors (see below), whose sum is σ = 126687120. Its totient is φ = 32576616.

The previous prime is 68772929. The next prime is 68772983. The reversal of 68772932 is 23927786.

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, 452378 + ... + 452529.

It is an arithmetic number, because the mean of its divisors is an integer number (10557260).

Almost surely, 268772932 is an apocalyptic number.

It is an amenable number.

68772932 is a deficient number, since it is larger than the sum of its proper divisors (57914188).

68772932 is a wasteful number, since it uses less digits than its factorization.

68772932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904930 (or 904928 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 68772932 is about 8292.9447122238. The cubic root of 68772932 is about 409.7061785409.

The spelling of 68772932 in words is "sixty-eight million, seven hundred seventy-two thousand, nine hundred thirty-two".

Divisors: 1 2 4 19 38 76 904907 1809814 3619628 17193233 34386466 68772932