Search a number
-
+
313230392 = 232910331307
BaseRepresentation
bin10010101010111…
…000010000111000
3210211101202022122
4102222320100320
51120141333032
651025340412
710522262066
oct2252702070
9724352278
10313230392
111508a06a2
1288a97708
134cb80b37
142d859036
151c774012
hex12ab8438

313230392 has 32 divisors (see below), whose sum is σ = 608612400. Its totient is φ = 150952704.

The previous prime is 313230367. The next prime is 313230397. The reversal of 313230392 is 293032313.

It is a super-2 number, since 2×3132303922 = 196226556944947328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239003 + ... + 240309.

Almost surely, 2313230392 is an apocalyptic number.

It is an amenable number.

313230392 is a deficient number, since it is larger than the sum of its proper divisors (295382008).

313230392 is a wasteful number, since it uses less digits than its factorization.

313230392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 313230392 is about 17698.3160780906. The cubic root of 313230392 is about 679.1326831646.

The spelling of 313230392 in words is "three hundred thirteen million, two hundred thirty thousand, three hundred ninety-two".

Divisors: 1 2 4 8 29 58 116 232 1033 1307 2066 2614 4132 5228 8264 10456 29957 37903 59914 75806 119828 151612 239656 303224 1350131 2700262 5400524 10801048 39153799 78307598 156615196 313230392