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312343132 = 22647120689
BaseRepresentation
bin10010100111011…
…111101001011100
3210202201200020011
4102213133221130
51114424440012
650554333004
710511605243
oct2247375134
9722650204
10312343132
11150345022
128872a164
134c93002a
142d6a795a
151c64b1a7
hex129dfa5c

312343132 has 12 divisors (see below), whose sum is σ = 547449840. Its totient is φ = 155928896.

The previous prime is 312343127. The next prime is 312343189. The reversal of 312343132 is 231343213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57757 + ... + 62932.

It is an arithmetic number, because the mean of its divisors is an integer number (45620820).

Almost surely, 2312343132 is an apocalyptic number.

It is an amenable number.

312343132 is a deficient number, since it is larger than the sum of its proper divisors (235106708).

312343132 is a wasteful number, since it uses less digits than its factorization.

312343132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121340 (or 121338 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 312343132 is about 17673.2320756561. The cubic root of 312343132 is about 678.4908370738.

Adding to 312343132 its reverse (231343213), we get a palindrome (543686345).

The spelling of 312343132 in words is "three hundred twelve million, three hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 647 1294 2588 120689 241378 482756 78085783 156171566 312343132