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27159140 = 2253793583
BaseRepresentation
bin110011110011…
…0101001100100
31220002211100002
41213212221210
523423043030
62410040432
7446564111
oct147465144
956084302
1027159140
1114370078
129119118
13581bbc8
14386d908
1525b7245
hex19e6a64

27159140 has 24 divisors (see below), whose sum is σ = 57200640. Its totient is φ = 10831968.

The previous prime is 27159107. The next prime is 27159157. The reversal of 27159140 is 4195172.

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 7 ways as a sum of consecutive naturals, for example, 5789 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (2383360).

Almost surely, 227159140 is an apocalyptic number.

27159140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27159140 is an abundant number, since it is smaller than the sum of its proper divisors (30041500).

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

27159140 is a wasteful number, since it uses less digits than its factorization.

27159140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3969 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 27159140 is about 5211.4431782377. The cubic root of 27159140 is about 300.5882531808.

The spelling of 27159140 in words is "twenty-seven million, one hundred fifty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 379 758 1516 1895 3583 3790 7166 7580 14332 17915 35830 71660 1357957 2715914 5431828 6789785 13579570 27159140