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27138792 = 2331130783
BaseRepresentation
bin110011110000…
…1101011101000
31220001210102110
41213201223220
523421420132
62405402320
7446450562
oct147415350
956053373
1027138792
111435685a
1291093a0
135812875
143866332
1525b11cc
hex19e1ae8

27138792 has 16 divisors (see below), whose sum is σ = 67847040. Its totient is φ = 9046256.

The previous prime is 27138773. The next prime is 27138799. The reversal of 27138792 is 29783172.

It is a super-3 number, since 3×271387923 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27138792.

It is not an unprimeable number, because it can be changed into a prime (27138799) by changing a digit.

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, 565368 + ... + 565415.

It is an arithmetic number, because the mean of its divisors is an integer number (4240440).

Almost surely, 227138792 is an apocalyptic number.

It is an amenable number.

27138792 is an abundant number, since it is smaller than the sum of its proper divisors (40708248).

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

27138792 is a wasteful number, since it uses less digits than its factorization.

27138792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130792 (or 1130788 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 27138792 is about 5209.4905701038. The cubic root of 27138792 is about 300.5131661456.

The spelling of 27138792 in words is "twenty-seven million, one hundred thirty-eight thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 1130783 2261566 3392349 4523132 6784698 9046264 13569396 27138792