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52043502 = 2374328817
BaseRepresentation
bin1100011010000…
…1111011101110
310121221002021010
43012201323232
5101310343002
65055250050
71201235220
oct306417356
9117832233
1052043502
1127417065
1215519926
13aa22594
146caa410
15488046c
hex31a1eee

52043502 has 32 divisors (see below), whose sum is σ = 121727232. Its totient is φ = 14523264.

The previous prime is 52043501. The next prime is 52043521. The reversal of 52043502 is 20534025.

It is a super-2 number, since 2×520435022 = 5417052200848008, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52043501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12603 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (3803976).

Almost surely, 252043502 is an apocalyptic number.

52043502 is an abundant number, since it is smaller than the sum of its proper divisors (69683730).

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

52043502 is a wasteful number, since it uses less digits than its factorization.

52043502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28872.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52043502 is about 7214.1182413376. The cubic root of 52043502 is about 373.3551710936.

Adding to 52043502 its reverse (20534025), we get a palindrome (72577527).

The spelling of 52043502 in words is "fifty-two million, forty-three thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806 28817 57634 86451 172902 201719 403438 605157 1210314 1239131 2478262 3717393 7434786 8673917 17347834 26021751 52043502