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52530588 = 2232111091217
BaseRepresentation
bin1100100001100…
…0110110011100
310122211211102100
43020120312130
5101421434323
65113525100
71205334255
oct310306634
9118754370
1052530588
112771a010
1215713790
13ab631b6
146d95b2c
154929943
hex3218d9c

52530588 has 72 divisors (see below), whose sum is σ = 146306160. Its totient is φ = 15759360.

The previous prime is 52530587. The next prime is 52530601. The reversal of 52530588 is 88503525.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530587) 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, 42556 + ... + 43772.

It is an arithmetic number, because the mean of its divisors is an integer number (2032030).

Almost surely, 252530588 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 52530588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73153080).

52530588 is an abundant number, since it is smaller than the sum of its proper divisors (93775572).

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

52530588 is a wasteful number, since it uses less digits than its factorization.

52530588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 52530588 is about 7247.7988382681. The cubic root of 52530588 is about 374.5163257595.

It can be divided in two parts, 525 and 30588, that added together give a palindrome (31113).

The spelling of 52530588 in words is "fifty-two million, five hundred thirty thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 109 132 198 218 327 396 436 654 981 1199 1217 1308 1962 2398 2434 3597 3651 3924 4796 4868 7194 7302 10791 10953 13387 14388 14604 21582 21906 26774 40161 43164 43812 53548 80322 120483 132653 160644 240966 265306 397959 481932 530612 795918 1193877 1459183 1591836 2387754 2918366 4377549 4775508 5836732 8755098 13132647 17510196 26265294 52530588