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313225244 = 224311291613
BaseRepresentation
bin10010101010110…
…111000000011100
3210211101111020222
4102222313000130
51120141201434
651025300512
710522241063
oct2252670034
9724344228
10313225244
11150897842
1288a94738
134cb7b6a7
142d8571da
151c77272e
hex12ab701c

313225244 has 24 divisors (see below), whose sum is σ = 561736560. Its totient is φ = 152740224.

The previous prime is 313225219. The next prime is 313225303. The reversal of 313225244 is 442522313.

It is a super-2 number, since 2×3132252442 = 196220106957719072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193382 + ... + 194994.

It is an arithmetic number, because the mean of its divisors is an integer number (23405690).

Almost surely, 2313225244 is an apocalyptic number.

It is an amenable number.

313225244 is a deficient number, since it is larger than the sum of its proper divisors (248511316).

313225244 is a wasteful number, since it uses less digits than its factorization.

313225244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2787 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 313225244 is about 17698.1706399277. The cubic root of 313225244 is about 679.1289625867.

Adding to 313225244 its reverse (442522313), we get a palindrome (755747557).

The spelling of 313225244 in words is "three hundred thirteen million, two hundred twenty-five thousand, two hundred forty-four".

Divisors: 1 2 4 43 86 172 1129 1613 2258 3226 4516 6452 48547 69359 97094 138718 194188 277436 1821077 3642154 7284308 78306311 156612622 313225244