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315055272 = 23372577297
BaseRepresentation
bin10010110001110…
…101110010101000
3210221211110120210
4102301311302220
51121123232042
651132421120
710543632330
oct2261656250
9727743523
10315055272
11151927764
12896177a0
135036c64c
142dbb20c0
151c9d4a9c
hex12c75ca8

315055272 has 64 divisors (see below), whose sum is σ = 903784320. Its totient is φ = 89653248.

The previous prime is 315055261. The next prime is 315055289. The reversal of 315055272 is 272550513.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39528 + ... + 46824.

It is an arithmetic number, because the mean of its divisors is an integer number (14121630).

Almost surely, 2315055272 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 315055272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451892160).

315055272 is an abundant number, since it is smaller than the sum of its proper divisors (588729048).

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

315055272 is a wasteful number, since it uses less digits than its factorization.

315055272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570 (or 7566 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 315055272 is about 17749.7963931984. The cubic root of 315055272 is about 680.4490056467.

The spelling of 315055272 in words is "three hundred fifteen million, fifty-five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 257 514 771 1028 1542 1799 2056 3084 3598 5397 6168 7196 7297 10794 14392 14594 21588 21891 29188 43176 43782 51079 58376 87564 102158 153237 175128 204316 306474 408632 612948 1225896 1875329 3750658 5625987 7501316 11251974 13127303 15002632 22503948 26254606 39381909 45007896 52509212 78763818 105018424 157527636 315055272