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27485090 = 25171071511
BaseRepresentation
bin110100011011…
…0001110100010
31220201101110022
41220312032202
524014010330
62421033442
7452422313
oct150661642
956641408
1027485090
1114572a56
129255882
135904389
14391660a
15262dae5
hex1a363a2

27485090 has 32 divisors (see below), whose sum is σ = 52907904. Its totient is φ = 10243840.

The previous prime is 27485089. The next prime is 27485093. The reversal of 27485090 is 9058472.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27485090.

It is not an unprimeable number, because it can be changed into a prime (27485093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17435 + ... + 18945.

It is an arithmetic number, because the mean of its divisors is an integer number (1653372).

Almost surely, 227485090 is an apocalyptic number.

27485090 is a deficient number, since it is larger than the sum of its proper divisors (25422814).

27485090 is a wasteful number, since it uses less digits than its factorization.

27485090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 27485090 is about 5242.6224353848. The cubic root of 27485090 is about 301.7859761611.

The spelling of 27485090 in words is "twenty-seven million, four hundred eighty-five thousand, ninety".

Divisors: 1 2 5 10 17 34 85 107 170 214 535 1070 1511 1819 3022 3638 7555 9095 15110 18190 25687 51374 128435 161677 256870 323354 808385 1616770 2748509 5497018 13742545 27485090