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315330244 = 22523715053
BaseRepresentation
bin10010110010111…
…000111011000100
3210222100102202221
4102302320323010
51121211031434
651142342124
710546156105
oct2262707304
9728312687
10315330244
11151aa5309
128972a944
1350437858
142dc443ac
151ca3b2b4
hex12cb8ec4

315330244 has 12 divisors (see below), whose sum is σ = 551969964. Its totient is φ = 157624544.

The previous prime is 315330227. The next prime is 315330269. The reversal of 315330244 is 442033513.

It can be written as a sum of positive squares in 2 ways, for example, as 287641600 + 27688644 = 16960^2 + 5262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13422 + ... + 28474.

It is an arithmetic number, because the mean of its divisors is an integer number (45997497).

Almost surely, 2315330244 is an apocalyptic number.

It is an amenable number.

315330244 is a deficient number, since it is larger than the sum of its proper divisors (236639720).

315330244 is a wasteful number, since it uses less digits than its factorization.

315330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20294 (or 20292 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 315330244 is about 17757.5404828484. The cubic root of 315330244 is about 680.6469074475.

Adding to 315330244 its reverse (442033513), we get a palindrome (757363757).

The spelling of 315330244 in words is "three hundred fifteen million, three hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 4 5237 10474 15053 20948 30106 60212 78832561 157665122 315330244