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12745384 = 2329137401
BaseRepresentation
bin110000100111…
…101010101000
3212222112101021
4300213222220
511230323014
61133102224
7213222361
oct60475250
925875337
1012745384
117215883
124327974
132843362
14199ab68
1511bb624
hexc27aa8

12745384 has 32 divisors (see below), whose sum is σ = 24964200. Its totient is φ = 6092800.

The previous prime is 12745379. The next prime is 12745399. The reversal of 12745384 is 48354721.

It can be written as a sum of positive squares in 4 ways, for example, as 12744900 + 484 = 3570^2 + 22^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 31584 + ... + 31984.

Almost surely, 212745384 is an apocalyptic number.

It is an amenable number.

12745384 is a deficient number, since it is larger than the sum of its proper divisors (12218816).

12745384 is a wasteful number, since it uses less digits than its factorization.

12745384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 569 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 12745384 is about 3570.0677864713. The cubic root of 12745384 is about 233.5882402443.

The spelling of 12745384 in words is "twelve million, seven hundred forty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 29 58 116 137 232 274 401 548 802 1096 1604 3208 3973 7946 11629 15892 23258 31784 46516 54937 93032 109874 219748 439496 1593173 3186346 6372692 12745384