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52839115 = 576124749
BaseRepresentation
bin1100100110010…
…0001011001011
310200102111122021
43021210023023
5102011322430
65124305311
71211060620
oct311441313
9120374567
1052839115
112790a89a
1215842237
13ac40764
147036347
15498b07a
hex32642cb

52839115 has 16 divisors (see below), whose sum is σ = 73656000. Its totient is φ = 35637120.

The previous prime is 52839113. The next prime is 52839151. The reversal of 52839115 is 51193825.

It is not a de Polignac number, because 52839115 - 21 = 52839113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52839113) 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, 10240 + ... + 14509.

It is an arithmetic number, because the mean of its divisors is an integer number (4603500).

Almost surely, 252839115 is an apocalyptic number.

52839115 is a deficient number, since it is larger than the sum of its proper divisors (20816885).

52839115 is a wasteful number, since it uses less digits than its factorization.

52839115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24822.

The product of its digits is 10800, while the sum is 34.

The square root of 52839115 is about 7269.0518638953. The cubic root of 52839115 is about 375.2481084023.

The spelling of 52839115 in words is "fifty-two million, eight hundred thirty-nine thousand, one hundred fifteen".

Divisors: 1 5 7 35 61 305 427 2135 24749 123745 173243 866215 1509689 7548445 10567823 52839115