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316682388 = 2232117331091
BaseRepresentation
bin10010111000000…
…011000010010100
3211001220010120100
4102320003002110
51122032314023
651231334100
710563520161
oct2270030224
9731803510
10316682388
11152839190
128a081330
13507bc139
14300b7068
151cc06c43
hex12e03094

316682388 has 72 divisors (see below), whose sum is σ = 875268576. Its totient is φ = 95745600.

The previous prime is 316682383. The next prime is 316682389. The reversal of 316682388 is 883286613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316682383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289723 + ... + 290813.

It is an arithmetic number, because the mean of its divisors is an integer number (12156508).

Almost surely, 2316682388 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 316682388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437634288).

316682388 is an abundant number, since it is smaller than the sum of its proper divisors (558586188).

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

316682388 is a wasteful number, since it uses less digits than its factorization.

316682388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1840 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 316682388 is about 17795.5721459019. The cubic root of 316682388 is about 681.6183971841.

The spelling of 316682388 in words is "three hundred sixteen million, six hundred eighty-two thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 733 1091 1466 2182 2199 2932 3273 4364 4398 6546 6597 8063 8796 9819 12001 13092 13194 16126 19638 24002 24189 26388 32252 36003 39276 48004 48378 72006 72567 96756 108009 144012 145134 216018 290268 432036 799703 1599406 2399109 3198812 4798218 7197327 8796733 9596436 14394654 17593466 26390199 28789308 35186932 52780398 79170597 105560796 158341194 316682388