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27145408 = 26424147
BaseRepresentation
bin110011110001…
…1010011000000
31220002010111111
41213203103000
523422123113
62405453104
7446506063
oct147432300
956063444
1027145408
1114360824
129111194
135815894
1438688da
1525b313d
hex19e34c0

27145408 has 14 divisors (see below), whose sum is σ = 53866796. Its totient is φ = 13572672.

The previous prime is 27145397. The next prime is 27145411. The reversal of 27145408 is 80454172.

It is a self number, because there is not a number n which added to its sum of digits gives 27145408.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 212010 + ... + 212137.

Almost surely, 227145408 is an apocalyptic number.

It is an amenable number.

27145408 is a deficient number, since it is larger than the sum of its proper divisors (26721388).

27145408 is an equidigital number, since it uses as much as digits as its factorization.

27145408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424159 (or 424149 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 27145408 is about 5210.1255263189. The cubic root of 27145408 is about 300.5375842500.

The spelling of 27145408 in words is "twenty-seven million, one hundred forty-five thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 424147 848294 1696588 3393176 6786352 13572704 27145408