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315371056 = 247211132997
BaseRepresentation
bin10010110011000…
…010111000110000
3210222102111202111
4102303002320300
51121213333211
651143255104
710546416100
oct2263027060
9728374674
10315371056
11152022a40
128974a494
13504502c0
142dc55200
151ca48421
hex12cc2e30

315371056 has 240 divisors, whose sum is σ = 872756640. Its totient is φ = 108380160.

The previous prime is 315371047. The next prime is 315371059. The reversal of 315371056 is 650173513.

It is not an unprimeable number, because it can be changed into a prime (315371059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3251200 + ... + 3251296.

It is an arithmetic number, because the mean of its divisors is an integer number (3636486).

Almost surely, 2315371056 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 315371056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436378320).

315371056 is an abundant number, since it is smaller than the sum of its proper divisors (557385584).

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

315371056 is a wasteful number, since it uses less digits than its factorization.

315371056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 315371056 is about 17758.6895912959. The cubic root of 315371056 is about 680.6762706985.

The spelling of 315371056 in words is "three hundred fifteen million, three hundred seventy-one thousand, fifty-six".