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312342492 = 223711338033
BaseRepresentation
bin10010100111011…
…111011111011100
3210202201122100110
4102213133133130
51114424424432
650554330020
710511603340
oct2247373734
9722648313
10312342492
111503445a0
1288729910
134c92c957
142d6a7620
151c64adcc
hex129df7dc

312342492 has 48 divisors (see below), whose sum is σ = 908635392. Its totient is φ = 81127680.

The previous prime is 312342473. The next prime is 312342517. The reversal of 312342492 is 294243213.

312342492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168093 + ... + 169940.

It is an arithmetic number, because the mean of its divisors is an integer number (18929904).

Almost surely, 2312342492 is an apocalyptic number.

It is an amenable number.

312342492 is an abundant number, since it is smaller than the sum of its proper divisors (596292900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312342492 is a wasteful number, since it uses less digits than its factorization.

312342492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338058 (or 338056 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 312342492 is about 17673.2139691681. The cubic root of 312342492 is about 678.4903736578.

The spelling of 312342492 in words is "three hundred twelve million, three hundred forty-two thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 338033 676066 1014099 1352132 2028198 2366231 3718363 4056396 4732462 7098693 7436726 9464924 11155089 14197386 14873452 22310178 26028541 28394772 44620356 52057082 78085623 104114164 156171246 312342492