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52502431360 = 27582035049
BaseRepresentation
bin110000111001011000…
…111000011010000000
312000111222120212002211
4300321120320122000
51330011110300420
640041433151504
73536026206001
oct607130703200
9160458525084
1052502431360
11202a2287845
12a212b5b594
134c49340a42
142780c151a8
151574400e5a
hexc39638680

52502431360 has 32 divisors (see below), whose sum is σ = 125513626500. Its totient is φ = 21000972288.

The previous prime is 52502431307. The next prime is 52502431367. The reversal of 52502431360 is 6313420525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49422625344 + 3079806016 = 222312^2 + 55496^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×525024313602 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52502431367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41016885 + ... + 41018164.

Almost surely, 252502431360 is an apocalyptic number.

It is an amenable number.

52502431360 is an abundant number, since it is smaller than the sum of its proper divisors (73011195140).

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

52502431360 is an equidigital number, since it uses as much as digits as its factorization.

52502431360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82035068 (or 82035056 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 52502431360 its reverse (6313420525), we get a palindrome (58815851885).

The spelling of 52502431360 in words is "fifty-two billion, five hundred two million, four hundred thirty-one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 82035049 164070098 328140196 410175245 656280392 820350490 1312560784 1640700980 2625121568 3281401960 5250243136 6562803920 10500486272 13125607840 26251215680 52502431360