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313061632 = 2813194951
BaseRepresentation
bin10010101010001…
…111000100000000
3210211002011211021
4102222033010000
51120120433012
651021555224
710520660062
oct2252170400
9724064737
10313061632
11150795924
1288a15b14
134cb22090
142d813732
151c73e007
hex12a8f100

313061632 has 72 divisors (see below), whose sum is σ = 708532160. Its totient is φ = 136857600.

The previous prime is 313061627. The next prime is 313061659. The reversal of 313061632 is 236160313.

It is a junction number, because it is equal to n+sod(n) for n = 313061597 and 313061606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60757 + ... + 65707.

Almost surely, 2313061632 is an apocalyptic number.

313061632 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 313061632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354266080).

313061632 is an abundant number, since it is smaller than the sum of its proper divisors (395470528).

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

313061632 is a wasteful number, since it uses less digits than its factorization.

313061632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 313061632 is about 17693.5477505219. The cubic root of 313061632 is about 679.0106951927.

The spelling of 313061632 in words is "three hundred thirteen million, sixty-one thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 64 76 104 128 152 208 247 256 304 416 494 608 832 988 1216 1664 1976 2432 3328 3952 4864 4951 7904 9902 15808 19804 31616 39608 63232 64363 79216 94069 128726 158432 188138 257452 316864 376276 514904 633728 752552 1029808 1222897 1267456 1505104 2059616 2445794 3010208 4119232 4891588 6020416 8238464 9783176 12040832 16476928 19566352 24081664 39132704 78265408 156530816 313061632