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316683381 = 3772720743
BaseRepresentation
bin10010111000000…
…011010001110101
3211001220011221010
4102320003101311
51122032332011
651231342433
710563523110
oct2270032165
9731804833
10316683381
11152839a03
128a081a19
13507bc721
14300b7577
151cc071a6
hex12e03475

316683381 has 16 divisors (see below), whose sum is σ = 483252224. Its totient is φ = 180704304.

The previous prime is 316683377. The next prime is 316683397. The reversal of 316683381 is 183386613.

It is not a de Polignac number, because 316683381 - 22 = 316683377 is a prime.

It is a super-2 number, since 2×3166833812 = 200576727603182322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316687381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4896 + ... + 25638.

It is an arithmetic number, because the mean of its divisors is an integer number (30203264).

Almost surely, 2316683381 is an apocalyptic number.

It is an amenable number.

316683381 is a deficient number, since it is larger than the sum of its proper divisors (166568843).

316683381 is a wasteful number, since it uses less digits than its factorization.

316683381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480.

The product of its digits is 62208, while the sum is 39.

The square root of 316683381 is about 17795.6000460788. The cubic root of 316683381 is about 681.6191096186.

The spelling of 316683381 in words is "three hundred sixteen million, six hundred eighty-three thousand, three hundred eighty-one".

Divisors: 1 3 7 21 727 2181 5089 15267 20743 62229 145201 435603 15080161 45240483 105561127 316683381