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313112528 = 241759109179
BaseRepresentation
bin10010101010011…
…011011111010000
3210211011202122022
4102222123133100
51120124100103
651023031012
710521261341
oct2252333720
9724152568
10313112528
11150820093
1288a3b468
134cb3c2b1
142d8280c8
151c74e138
hex12a9b7d0

313112528 has 80 divisors (see below), whose sum is σ = 662904000. Its totient is φ = 142718976.

The previous prime is 313112521. The next prime is 313112551. The reversal of 313112528 is 825211313.

It is a junction number, because it is equal to n+sod(n) for n = 313112497 and 313112506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749143 + ... + 1749321.

It is an arithmetic number, because the mean of its divisors is an integer number (8286300).

Almost surely, 2313112528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313112528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331452000).

313112528 is an abundant number, since it is smaller than the sum of its proper divisors (349791472).

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

313112528 is a wasteful number, since it uses less digits than its factorization.

313112528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 366 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 313112528 is about 17694.9859564793. The cubic root of 313112528 is about 679.0474899238.

The spelling of 313112528 in words is "three hundred thirteen million, one hundred twelve thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 17 34 59 68 109 118 136 179 218 236 272 358 436 472 716 872 944 1003 1432 1744 1853 2006 2864 3043 3706 4012 6086 6431 7412 8024 10561 12172 12862 14824 16048 19511 21122 24344 25724 29648 39022 42244 48688 51448 78044 84488 102896 109327 156088 168976 179537 218654 312176 331687 359074 437308 663374 718148 874616 1151149 1326748 1436296 1749232 2302298 2653496 2872592 4604596 5306992 9209192 18418384 19569533 39139066 78278132 156556264 313112528