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69694928 = 244355933
BaseRepresentation
bin1000010011101…
…11010111010000
311212010212110122
410021313113100
5120320214203
610525445412
71504253132
oct411672720
9155125418
1069694928
1136382916
121b410868
1311592a04
149383052
1561ba538
hex42775d0

69694928 has 10 divisors (see below), whose sum is σ = 135033954. Its totient is φ = 34847456.

The previous prime is 69694909. The next prime is 69694931. The reversal of 69694928 is 82949696.

It can be written as a sum of positive squares in only one way, i.e., 50580544 + 19114384 = 7112^2 + 4372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69694928.

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, 2177951 + ... + 2177982.

Almost surely, 269694928 is an apocalyptic number.

It is an amenable number.

69694928 is a deficient number, since it is larger than the sum of its proper divisors (65339026).

69694928 is a wasteful number, since it uses less digits than its factorization.

69694928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355941 (or 4355935 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 69694928 is about 8348.3488187785. The cubic root of 69694928 is about 411.5289491821.

The spelling of 69694928 in words is "sixty-nine million, six hundred ninety-four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 4355933 8711866 17423732 34847464 69694928