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313752276 = 223229397757
BaseRepresentation
bin10010101100110…
…111101011010100
3210212101021012200
4102230313223110
51120310033101
651044444500
710526564445
oct2254675324
9725337180
10313752276
11151117802
12890a9730
1350004546
142d9532cc
151c828986
hex12b37ad4

313752276 has 72 divisors (see below), whose sum is σ = 823597320. Its totient is φ = 100590336.

The previous prime is 313752253. The next prime is 313752277. The reversal of 313752276 is 672257313.

313752276 is a `hidden beast` number, since 31 + 37 + 522 + 76 = 666.

313752276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 86044176 + 227708100 = 9276^2 + 15090^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 313752276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313752277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414090 + ... + 414846.

Almost surely, 2313752276 is an apocalyptic number.

313752276 is a gapful number since it is divisible by the number (36) 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 313752276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411798660).

313752276 is an abundant number, since it is smaller than the sum of its proper divisors (509845044).

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

313752276 is a wasteful number, since it uses less digits than its factorization.

313752276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1188 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 313752276 is about 17713.0538304382. The cubic root of 313752276 is about 679.5096493748.

It can be divided in two parts, 313752 and 276, that added together give a triangular number (314028 = T792).

The spelling of 313752276 in words is "three hundred thirteen million, seven hundred fifty-two thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 397 522 757 794 1044 1191 1514 1588 2271 2382 3028 3573 4542 4764 6813 7146 9084 11513 13626 14292 21953 23026 27252 34539 43906 46052 65859 69078 87812 103617 131718 138156 197577 207234 263436 300529 395154 414468 601058 790308 901587 1202116 1803174 2704761 3606348 5409522 8715341 10819044 17430682 26146023 34861364 52292046 78438069 104584092 156876138 313752276