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11915968 = 26186187
BaseRepresentation
bin101101011101…
…001011000000
3211102101122011
4231131023000
511022302333
61103222304
7203166301
oct55351300
924371564
1011915968
1167a9709
123ba7994
13261298c
1418227a8
1510a59cd
hexb5d2c0

11915968 has 14 divisors (see below), whose sum is σ = 23645876. Its totient is φ = 5957952.

The previous prime is 11915933. The next prime is 11915999. The reversal of 11915968 is 86951911.

It is a self number, because there is not a number n which added to its sum of digits gives 11915968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93030 + ... + 93157.

Almost surely, 211915968 is an apocalyptic number.

It is an amenable number.

11915968 is a deficient number, since it is larger than the sum of its proper divisors (11729908).

11915968 is an equidigital number, since it uses as much as digits as its factorization.

11915968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186199 (or 186189 counting only the distinct ones).

The product of its digits is 19440, while the sum is 40.

The square root of 11915968 is about 3451.9513322178. The cubic root of 11915968 is about 228.4071927339.

The spelling of 11915968 in words is "eleven million, nine hundred fifteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 186187 372374 744748 1489496 2978992 5957984 11915968