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315245226 = 23192765309
BaseRepresentation
bin10010110010100…
…100001010101010
3210222012010011010
4102302210022222
51121200321401
651140444350
710545353202
oct2262441252
9728163133
10315245226
11151a4744a
12896a96b6
1350407c4a
142dc21402
151ca20ed6
hex12ca42aa

315245226 has 16 divisors (see below), whose sum is σ = 663674400. Its totient is φ = 99551088.

The previous prime is 315245179. The next prime is 315245233. The reversal of 315245226 is 622542513.

It is a junction number, because it is equal to n+sod(n) for n = 315245193 and 315245202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382541 + ... + 1382768.

It is an arithmetic number, because the mean of its divisors is an integer number (41479650).

Almost surely, 2315245226 is an apocalyptic number.

315245226 is an abundant number, since it is smaller than the sum of its proper divisors (348429174).

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

315245226 is a wasteful number, since it uses less digits than its factorization.

315245226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765333.

The product of its digits is 14400, while the sum is 30.

The square root of 315245226 is about 17755.1464651802. The cubic root of 315245226 is about 680.5857309072.

Adding to 315245226 its reverse (622542513), we get a palindrome (937787739).

The spelling of 315245226 in words is "three hundred fifteen million, two hundred forty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 19 38 57 114 2765309 5530618 8295927 16591854 52540871 105081742 157622613 315245226