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313315072 = 287296029
BaseRepresentation
bin10010101011001…
…100111100000000
3210211120001110221
4102223030330000
51120202040242
651031232424
710523064010
oct2253147400
9724501427
10313315072
11150949284
1288b18714
134cbb0545
142d87bc40
151c78e167
hex12accf00

313315072 has 72 divisors (see below), whose sum is σ = 739519200. Its totient is φ = 129626112.

The previous prime is 313315061. The next prime is 313315081. The reversal of 313315072 is 270513313.

It is a congruent number.

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, 48954 + ... + 54982.

It is an arithmetic number, because the mean of its divisors is an integer number (10271100).

Almost surely, 2313315072 is an apocalyptic number.

313315072 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 313315072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369759600).

313315072 is an abundant number, since it is smaller than the sum of its proper divisors (426204128).

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

313315072 is an equidigital number, since it uses as much as digits as its factorization.

313315072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081 (or 6067 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 313315072 is about 17700.7082344182. The cubic root of 313315072 is about 679.1938774968.

Adding to 313315072 its reverse (270513313), we get a palindrome (583828385).

The spelling of 313315072 in words is "three hundred thirteen million, three hundred fifteen thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 64 112 116 128 203 224 232 256 406 448 464 812 896 928 1624 1792 1856 3248 3712 6029 6496 7424 12058 12992 24116 25984 42203 48232 51968 84406 96464 168812 174841 192928 337624 349682 385856 675248 699364 771712 1223887 1350496 1398728 1543424 2447774 2700992 2797456 4895548 5401984 5594912 9791096 10803968 11189824 19582192 22379648 39164384 44759296 78328768 156657536 313315072