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315023052 = 22329389597
BaseRepresentation
bin10010110001101…
…101111011001100
3210221202211101110
4102301231323030
51121121214202
651132012020
710543436361
oct2261557314
9727684343
10315023052
11151905533
1289601010
135035aa96
142dba4468
151c9ca26c
hex12c6decc

315023052 has 24 divisors (see below), whose sum is σ = 737570736. Its totient is φ = 104648128.

The previous prime is 315023041. The next prime is 315023053. The reversal of 315023052 is 250320513.

It is not an unprimeable number, because it can be changed into a prime (315023053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41283 + ... + 48314.

It is an arithmetic number, because the mean of its divisors is an integer number (30732114).

Almost surely, 2315023052 is an apocalyptic number.

It is an amenable number.

315023052 is an abundant number, since it is smaller than the sum of its proper divisors (422547684).

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

315023052 is a wasteful number, since it uses less digits than its factorization.

315023052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89897 (or 89895 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 315023052 is about 17748.8887539474. Note that the first 3 decimals coincide. The cubic root of 315023052 is about 680.4258088552.

Adding to 315023052 its reverse (250320513), we get a palindrome (565343565).

The spelling of 315023052 in words is "three hundred fifteen million, twenty-three thousand, fifty-two".

Divisors: 1 2 3 4 6 12 293 586 879 1172 1758 3516 89597 179194 268791 358388 537582 1075164 26251921 52503842 78755763 105007684 157511526 315023052