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315211014 = 23467113257
BaseRepresentation
bin10010110010011…
…011110100000110
3210222010101020000
4102302123310012
51121143223024
651140022130
710545151356
oct2262336406
9728111200
10315211014
11151a23778
1289691946
13503c54c1
142dc12b66
151ca15cc9
hex12c9bd06

315211014 has 80 divisors (see below), whose sum is σ = 726005808. Its totient is φ = 102187008.

The previous prime is 315210989. The next prime is 315211031. The reversal of 315211014 is 410112513.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1226374 + ... + 1226630.

Almost surely, 2315211014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315211014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363002904).

315211014 is an abundant number, since it is smaller than the sum of its proper divisors (410794794).

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

315211014 is a wasteful number, since it uses less digits than its factorization.

315211014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 315211014 is about 17754.1830000707. The cubic root of 315211014 is about 680.5611098191.

Adding to 315211014 its reverse (410112513), we get a palindrome (725323527).

The spelling of 315211014 in words is "three hundred fifteen million, two hundred eleven thousand, fourteen".

Divisors: 1 2 3 6 9 18 27 54 67 81 113 134 162 201 226 257 339 402 514 603 678 771 1017 1206 1542 1809 2034 2313 3051 3618 4626 5427 6102 6939 7571 9153 10854 13878 15142 17219 18306 20817 22713 29041 34438 41634 45426 51657 58082 68139 87123 103314 136278 154971 174246 204417 261369 309942 408834 464913 522738 613251 784107 929826 1226502 1394739 1568214 1945747 2352321 2789478 3891494 4704642 5837241 11674482 17511723 35023446 52535169 105070338 157605507 315211014