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69899968 = 261935659
BaseRepresentation
bin1000010101010…
…01011011000000
311212112021201201
410022221123000
5120343244333
610534110544
71506065665
oct412513300
9155467651
1069899968
1136502976
121b4ab454
1311635138
1493d7a6c
15620b17d
hex42a96c0

69899968 has 28 divisors (see below), whose sum is σ = 139451080. Its totient is φ = 34762752.

The previous prime is 69899959. The next prime is 69899981. The reversal of 69899968 is 86999896.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 9523 + ... + 15181.

Almost surely, 269899968 is an apocalyptic number.

It is an amenable number.

69899968 is a deficient number, since it is larger than the sum of its proper divisors (69551112).

69899968 is a wasteful number, since it uses less digits than its factorization.

69899968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5854 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 64.

The square root of 69899968 is about 8360.6200726980. The cubic root of 69899968 is about 411.9321219121.

The spelling of 69899968 in words is "sixty-nine million, eight hundred ninety-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 193 386 772 1544 3088 5659 6176 11318 12352 22636 45272 90544 181088 362176 1092187 2184374 4368748 8737496 17474992 34949984 69899968