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27433668 = 2232286139
BaseRepresentation
bin110100010100…
…1101011000100
31220121202220210
41220221223010
524010334133
62415555420
7452116353
oct150515304
956552823
1027433668
1114538359
12922bb70
1358b6b52
14390199a
15261d763
hex1a29ac4

27433668 has 12 divisors (see below), whose sum is σ = 64011920. Its totient is φ = 9144552.

The previous prime is 27433657. The next prime is 27433669. The reversal of 27433668 is 86633472.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×274336682 = 1505212279868448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27433669) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1143058 + ... + 1143081.

Almost surely, 227433668 is an apocalyptic number.

It is an amenable number.

27433668 is an abundant number, since it is smaller than the sum of its proper divisors (36578252).

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

27433668 is a wasteful number, since it uses less digits than its factorization.

27433668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286146 (or 2286144 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 27433668 is about 5237.7159144039. The cubic root of 27433668 is about 301.5976543427.

The spelling of 27433668 in words is "twenty-seven million, four hundred thirty-three thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2286139 4572278 6858417 9144556 13716834 27433668