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316149984 = 25321097743
BaseRepresentation
bin10010110110000…
…001000011100000
3211000220002020200
4102312001003200
51121413244414
651212105200
710556142033
oct2266010340
9730802220
10316149984
11152505187
1289a65200
13506639c7
142ddb901a
151cb4e109
hex12d810e0

316149984 has 36 divisors (see below), whose sum is σ = 899052336. Its totient is φ = 105383232.

The previous prime is 316149971. The next prime is 316149989. The reversal of 316149984 is 489941613.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316149989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548584 + ... + 549159.

It is an arithmetic number, because the mean of its divisors is an integer number (24973676).

Almost surely, 2316149984 is an apocalyptic number.

It is an amenable number.

316149984 is an abundant number, since it is smaller than the sum of its proper divisors (582902352).

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

316149984 is a wasteful number, since it uses less digits than its factorization.

316149984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097759 (or 1097748 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 316149984 is about 17780.6069637681. The cubic root of 316149984 is about 681.2362057191.

The spelling of 316149984 in words is "three hundred sixteen million, one hundred forty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1097743 2195486 3293229 4390972 6586458 8781944 9879687 13172916 17563888 19759374 26345832 35127776 39518748 52691664 79037496 105383328 158074992 316149984