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255634652 = 227132961397
BaseRepresentation
bin11110011110010…
…10110011011100
3122211000120211002
433033022303130
51010420302102
641211045432
76222600350
oct1717126334
9584016732
10255634652
11121332109
1271740878
1340c66310
1425d45460
1517698902
hexf3cacdc

255634652 has 96 divisors (see below), whose sum is σ = 580379520. Its totient is φ = 95800320.

The previous prime is 255634619. The next prime is 255634679. The reversal of 255634652 is 256436552.

255634652 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2556346522 = 130698150606322208, which contains 22 as substring.

255634652 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643718 + ... + 644114.

It is an arithmetic number, because the mean of its divisors is an integer number (6045620).

Almost surely, 2255634652 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 255634652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290189760).

255634652 is an abundant number, since it is smaller than the sum of its proper divisors (324744868).

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

255634652 is a wasteful number, since it uses less digits than its factorization.

255634652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 255634652 is about 15988.5787986300. The cubic root of 255634652 is about 634.6582177090.

The spelling of 255634652 in words is "two hundred fifty-five million, six hundred thirty-four thousand, six hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 29 52 58 61 91 116 122 182 203 244 364 377 397 406 427 754 793 794 812 854 1508 1586 1588 1708 1769 2639 2779 3172 3538 5161 5278 5551 5558 7076 10322 10556 11102 11116 11513 12383 20644 22204 22997 23026 24217 24766 36127 45994 46052 48434 49532 72254 80591 91988 96868 144508 149669 160979 161182 169519 299338 314821 321958 322364 339038 598676 629642 643916 678076 702293 1047683 1259284 1404586 2095366 2203747 2809172 4190732 4407494 4916051 8814988 9129809 9832102 18259618 19664204 36519236 63908663 127817326 255634652