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313538269 = 11471394363
BaseRepresentation
bin10010101100000…
…011011011011101
3210211222101122111
4102230003123131
51120231211034
651040114021
710525013512
oct2254033335
9724871574
10313538269
11150a90a40
1289005911
134cc5b005
142d8d9309
151c7d5364
hex12b036dd

313538269 has 16 divisors (see below), whose sum is σ = 351912960. Its totient is φ = 276899760.

The previous prime is 313538261. The next prime is 313538273. The reversal of 313538269 is 962835313.

It is a cyclic number.

It is not a de Polignac number, because 313538269 - 23 = 313538261 is a prime.

It is a super-2 number, since 2×3135382692 = 196612492255032722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313538261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69682 + ... + 74044.

It is an arithmetic number, because the mean of its divisors is an integer number (21994560).

Almost surely, 2313538269 is an apocalyptic number.

It is an amenable number.

313538269 is a deficient number, since it is larger than the sum of its proper divisors (38374691).

313538269 is a wasteful number, since it uses less digits than its factorization.

313538269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560.

The product of its digits is 116640, while the sum is 40.

The square root of 313538269 is about 17707.0118597125. The cubic root of 313538269 is about 679.3551188653.

The spelling of 313538269 in words is "three hundred thirteen million, five hundred thirty-eight thousand, two hundred sixty-nine".

Divisors: 1 11 47 139 517 1529 4363 6533 47993 71863 205061 606457 2255671 6671027 28503479 313538269