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313212272 = 2419575767
BaseRepresentation
bin10010101010110…
…011110101110000
3210211100211110112
4102222303311300
51120140243042
651025120452
710522155212
oct2252636560
9724324415
10313212272
1115088901a
1288a89128
134cb75809
142d8525b2
151c76d982
hex12ab3d70

313212272 has 10 divisors (see below), whose sum is σ = 606848808. Its totient is φ = 156606128.

The previous prime is 313212259. The next prime is 313212281. The reversal of 313212272 is 272212313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9787868 + ... + 9787899.

Almost surely, 2313212272 is an apocalyptic number.

It is an amenable number.

313212272 is a deficient number, since it is larger than the sum of its proper divisors (293636536).

313212272 is a wasteful number, since it uses less digits than its factorization.

313212272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19575775 (or 19575769 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 313212272 is about 17697.8041575784. The cubic root of 313212272 is about 679.1195872435.

Adding to 313212272 its reverse (272212313), we get a palindrome (585424585).

The spelling of 313212272 in words is "three hundred thirteen million, two hundred twelve thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 19575767 39151534 78303068 156606136 313212272