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53278360 = 2351331959
BaseRepresentation
bin1100101100111…
…1011010011000
310201020211011121
43023033122120
5102114401420
65141535024
71214600332
oct313173230
9121224147
1053278360
112808a903
1215a14474
13b065675
14710c452
154a262aa
hex32cf698

53278360 has 16 divisors (see below), whose sum is σ = 119876400. Its totient is φ = 21311328.

The previous prime is 53278349. The next prime is 53278361. The reversal of 53278360 is 6387235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53278361) 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, 665940 + ... + 666019.

It is an arithmetic number, because the mean of its divisors is an integer number (7492275).

Almost surely, 253278360 is an apocalyptic number.

It is an amenable number.

53278360 is an abundant number, since it is smaller than the sum of its proper divisors (66598040).

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

53278360 is a wasteful number, since it uses less digits than its factorization.

53278360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331970 (or 1331966 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 53278360 is about 7299.2026961854. The cubic root of 53278360 is about 376.2850373732.

The spelling of 53278360 in words is "fifty-three million, two hundred seventy-eight thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1331959 2663918 5327836 6659795 10655672 13319590 26639180 53278360