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315214652 = 2278803663
BaseRepresentation
bin10010110010011…
…100101100111100
3210222010120012202
4102302130230330
51121143332102
651140051032
710545165104
oct2262345474
9728116182
10315214652
11151a26485
1289693a78
13503c705c
142dc14204
151ca16e02
hex12c9cb3c

315214652 has 6 divisors (see below), whose sum is σ = 551625648. Its totient is φ = 157607324.

The previous prime is 315214651. The next prime is 315214673. The reversal of 315214652 is 256412513.

It is a super-2 number, since 2×3152146522 = 198720553670962208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315214651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39401828 + ... + 39401835.

It is an arithmetic number, because the mean of its divisors is an integer number (91937608).

Almost surely, 2315214652 is an apocalyptic number.

It is an amenable number.

315214652 is a deficient number, since it is larger than the sum of its proper divisors (236410996).

315214652 is a wasteful number, since it uses less digits than its factorization.

315214652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78803667 (or 78803665 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 315214652 is about 17754.2854545037. The cubic root of 315214652 is about 680.5637280354.

The spelling of 315214652 in words is "three hundred fifteen million, two hundred fourteen thousand, six hundred fifty-two".

Divisors: 1 2 4 78803663 157607326 315214652