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27688496 = 2411157321
BaseRepresentation
bin110100110011…
…1111000110000
31221002201110212
41221213320300
524042012441
62425243252
7454230323
oct151477060
957081425
1027688496
11146a1860
129333528
135975b34
14396a7ba
15266deeb
hex1a67e30

27688496 has 20 divisors (see below), whose sum is σ = 58523784. Its totient is φ = 12585600.

The previous prime is 27688471. The next prime is 27688501. The reversal of 27688496 is 69488672.

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 in 3 ways as a sum of consecutive naturals, for example, 78485 + ... + 78836.

Almost surely, 227688496 is an apocalyptic number.

It is an amenable number.

27688496 is an abundant number, since it is smaller than the sum of its proper divisors (30835288).

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

27688496 is a wasteful number, since it uses less digits than its factorization.

27688496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157340 (or 157334 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 27688496 is about 5261.9859368873. The cubic root of 27688496 is about 302.5286123700.

The spelling of 27688496 in words is "twenty-seven million, six hundred eighty-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 157321 314642 629284 1258568 1730531 2517136 3461062 6922124 13844248 27688496