Search a number
-
+
52530644572 = 22717597923677
BaseRepresentation
bin110000111011000100…
…100000011001011100
312000120221200020100121
4300323010200121130
51330040321111242
640044322004324
73536521053160
oct607304403134
9160527606317
1052530644572
11203071a784a
12a2204a66a4
134c5213b653
14278487aca0
151576b25667
hexc3b12065c

52530644572 has 96 divisors (see below), whose sum is σ = 114563635200. Its totient is φ = 20565163008.

The previous prime is 52530644567. The next prime is 52530644581. The reversal of 52530644572 is 27544603525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2206798 + ... + 2230474.

It is an arithmetic number, because the mean of its divisors is an integer number (1193371200).

Almost surely, 252530644572 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 52530644572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57281817600).

52530644572 is an abundant number, since it is smaller than the sum of its proper divisors (62032990628).

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

52530644572 is a wasteful number, since it uses less digits than its factorization.

52530644572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843 (or 23841 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 52530644572 in words is "fifty-two billion, five hundred thirty million, six hundred forty-four thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 17 28 34 59 68 79 118 119 158 236 238 316 413 476 553 826 1003 1106 1343 1652 2006 2212 2686 4012 4661 5372 7021 9322 9401 14042 18644 18802 23677 28084 32627 37604 47354 65254 79237 94708 130508 158474 165739 316948 331478 402509 554659 662956 805018 1109318 1396943 1610036 1870483 2218636 2793886 2817563 3740966 5587772 5635126 7481932 9778601 11270252 13093381 19557202 23748031 26186762 31798211 39114404 47496062 52373524 63596422 94992124 110358497 127192844 166236217 220716994 222587477 332472434 441433988 445174954 664944868 772509479 890349908 1545018958 1876094449 3090037916 3752188898 7504377796 13132661143 26265322286 52530644572