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312214712 = 23191204329
BaseRepresentation
bin10010100111000…
…000010010111000
3210202111011001212
4102213000102320
51114411332322
650551502252
710510531655
oct2247002270
9722434055
10312214712
11150267597
1288687988
134c8b6744
142d672c2c
151c6230e2
hex129c04b8

312214712 has 16 divisors (see below), whose sum is σ = 588470400. Its totient is φ = 155289280.

The previous prime is 312214691. The next prime is 312214723. The reversal of 312214712 is 217412213.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 100637 + ... + 103692.

It is an arithmetic number, because the mean of its divisors is an integer number (36779400).

Almost surely, 2312214712 is an apocalyptic number.

It is an amenable number.

312214712 is a deficient number, since it is larger than the sum of its proper divisors (276255688).

312214712 is a wasteful number, since it uses less digits than its factorization.

312214712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204526 (or 204522 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 312214712 is about 17669.5985240186. The cubic root of 312214712 is about 678.3978370700.

Adding to 312214712 its reverse (217412213), we get a palindrome (529626925).

The spelling of 312214712 in words is "three hundred twelve million, two hundred fourteen thousand, seven hundred twelve".

Divisors: 1 2 4 8 191 382 764 1528 204329 408658 817316 1634632 39026839 78053678 156107356 312214712