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315376512 = 27311197379
BaseRepresentation
bin10010110011000…
…100001110000000
3210222102210020120
4102303010032000
51121214022022
651143340240
710546441023
oct2263041600
9728383216
10315376512
11152027050
1289751680
1350452929
142dc571ba
151ca49d5c
hex12cc4380

315376512 has 128 divisors (see below), whose sum is σ = 920937600. Its totient is φ = 94832640.

The previous prime is 315376499. The next prime is 315376561. The reversal of 315376512 is 215673513.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×3153765122 = 198924688642572288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831939 + ... + 832317.

It is an arithmetic number, because the mean of its divisors is an integer number (7194825).

Almost surely, 2315376512 is an apocalyptic number.

315376512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315376512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460468800).

315376512 is an abundant number, since it is smaller than the sum of its proper divisors (605561088).

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

315376512 is a wasteful number, since it uses less digits than its factorization.

315376512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 592 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 315376512 is about 17758.8432055694. The cubic root of 315376512 is about 680.6801959671.

The spelling of 315376512 in words is "three hundred fifteen million, three hundred seventy-six thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 197 264 352 379 384 394 528 591 704 758 788 1056 1137 1182 1408 1516 1576 2112 2167 2274 2364 3032 3152 4169 4224 4334 4548 4728 6064 6304 6501 8338 8668 9096 9456 12128 12507 12608 13002 16676 17336 18192 18912 24256 25014 25216 26004 33352 34672 36384 37824 48512 50028 52008 66704 69344 72768 74663 75648 100056 104016 133408 138688 145536 149326 200112 208032 223989 266816 277376 298652 400224 416064 447978 533632 597304 800448 821293 832128 895956 1194608 1600896 1642586 1791912 2389216 2463879 3285172 3583824 4778432 4927758 6570344 7167648 9556864 9855516 13140688 14335296 19711032 26281376 28670592 39422064 52562752 78844128 105125504 157688256 315376512