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313730664 = 2331331163199
BaseRepresentation
bin10010101100110…
…010011001101000
3210212100011120020
4102230302121220
51120303340124
651044200440
710526444442
oct2254623150
9725304506
10313730664
11151102545
1289099120
134ccc7760
142d949492
151c822379
hex12b32668

313730664 has 128 divisors (see below), whose sum is σ = 881664000. Its totient is φ = 92378880.

The previous prime is 313730639. The next prime is 313730701. The reversal of 313730664 is 466037313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576437 + ... + 1576635.

It is an arithmetic number, because the mean of its divisors is an integer number (6888000).

Almost surely, 2313730664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313730664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440832000).

313730664 is an abundant number, since it is smaller than the sum of its proper divisors (567933336).

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

313730664 is a wasteful number, since it uses less digits than its factorization.

313730664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 313730664 is about 17712.4437613786. The cubic root of 313730664 is about 679.4940469384.

Adding to 313730664 its reverse (466037313), we get a palindrome (779767977).

The spelling of 313730664 in words is "three hundred thirteen million, seven hundred thirty thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 31 39 52 62 78 93 104 124 156 163 186 199 248 312 326 372 398 403 489 597 652 744 796 806 978 1194 1209 1304 1592 1612 1956 2119 2388 2418 2587 3224 3912 4238 4776 4836 5053 5174 6169 6357 7761 8476 9672 10106 10348 12338 12714 15159 15522 16952 18507 20212 20696 24676 25428 30318 31044 32437 37014 40424 49352 50856 60636 62088 64874 65689 74028 80197 97311 121272 129748 131378 148056 160394 194622 197067 240591 259496 262756 320788 389244 394134 421681 481182 525512 641576 778488 788268 843362 962364 1005547 1265043 1576536 1686724 1924728 2011094 2530086 3016641 3373448 4022188 5060172 6033282 8044376 10120344 12066564 13072111 24133128 26144222 39216333 52288444 78432666 104576888 156865332 313730664