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27204138 = 23213116257
BaseRepresentation
bin110011111000…
…1101000101010
31220012010001200
41213301220222
523431013023
62411025030
7450142233
oct147615052
956163050
1027204138
11143a0965
12913b176
135836530
14388208a
1525c5743
hex19f1a2a

27204138 has 24 divisors (see below), whose sum is σ = 63476868. Its totient is φ = 8370432.

The previous prime is 27204113. The next prime is 27204161. The reversal of 27204138 is 83140272.

It can be written as a sum of positive squares in 2 ways, for example, as 22781529 + 4422609 = 4773^2 + 2103^2 .

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 11 ways as a sum of consecutive naturals, for example, 57895 + ... + 58362.

Almost surely, 227204138 is an apocalyptic number.

27204138 is an abundant number, since it is smaller than the sum of its proper divisors (36272730).

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

27204138 is a wasteful number, since it uses less digits than its factorization.

27204138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116278 (or 116275 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 27204138 is about 5215.7586217155. The cubic root of 27204138 is about 300.7541691742.

The spelling of 27204138 in words is "twenty-seven million, two hundred four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 116257 232514 348771 697542 1046313 1511341 2092626 3022682 4534023 9068046 13602069 27204138