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313330332 = 223717212907
BaseRepresentation
bin10010101011010…
…000101010011100
3210211120211102010
4102223100222130
51120203032312
651031431220
710523156340
oct2253205234
9724524363
10313330332
11150959797
1288b25510
134cbb7483
142d883620
151c79393c
hex12ad0a9c

313330332 has 72 divisors (see below), whose sum is σ = 887657344. Its totient is φ = 84250368.

The previous prime is 313330309. The next prime is 313330337. The reversal of 313330332 is 233033313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 313330299 and 313330308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313330337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17823 + ... + 30729.

Almost surely, 2313330332 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 313330332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443828672).

313330332 is an abundant number, since it is smaller than the sum of its proper divisors (574327012).

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

313330332 is a wasteful number, since it uses less digits than its factorization.

313330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955 (or 12936 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 21.

The square root of 313330332 is about 17701.1392853680. The cubic root of 313330332 is about 679.2049040227.

Adding to 313330332 its reverse (233033313), we get a palindrome (546363645).

The spelling of 313330332 in words is "three hundred thirteen million, three hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 289 357 476 578 714 867 1156 1428 1734 2023 3468 4046 6069 8092 12138 12907 24276 25814 38721 51628 77442 90349 154884 180698 219419 271047 361396 438838 542094 658257 877676 1084188 1316514 1535933 2633028 3071866 3730123 4607799 6143732 7460246 9215598 11190369 14920492 18431196 22380738 26110861 44761476 52221722 78332583 104443444 156665166 313330332