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27630406 = 2172389397
BaseRepresentation
bin110100101100…
…1101101000110
31220222202210101
41221121231012
524033133111
62424114314
7453566056
oct151315506
956882711
1027630406
1114662151
12930599a
13595556b
143953566
15265bbc1
hex1a59b46

27630406 has 32 divisors (see below), whose sum is σ = 46422720. Its totient is φ = 12266496.

The previous prime is 27630397. The next prime is 27630413. The reversal of 27630406 is 60403672.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 69400 + ... + 69796.

It is an arithmetic number, because the mean of its divisors is an integer number (1450710).

Almost surely, 227630406 is an apocalyptic number.

27630406 is a deficient number, since it is larger than the sum of its proper divisors (18792314).

27630406 is a wasteful number, since it uses less digits than its factorization.

27630406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 27630406 is about 5256.4632596452. The cubic root of 27630406 is about 302.3168975920.

The spelling of 27630406 in words is "twenty-seven million, six hundred thirty thousand, four hundred six".

Divisors: 1 2 17 23 34 46 89 178 391 397 782 794 1513 2047 3026 4094 6749 9131 13498 18262 34799 35333 69598 70666 155227 310454 600661 812659 1201322 1625318 13815203 27630406