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52114815 = 3251960953
BaseRepresentation
bin1100011011001…
…1010101111111
310122001201002100
43012303111333
5101320133230
65101000143
71201653144
oct306632577
9118051070
1052114815
11274656a5
1215553053
13aa48b8c
146cc83cb
154896660
hex31b357f

52114815 has 24 divisors (see below), whose sum is σ = 95088240. Its totient is φ = 26331264.

The previous prime is 52114793. The next prime is 52114823. The reversal of 52114815 is 51841125.

It is not a de Polignac number, because 52114815 - 212 = 52110719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29622 + ... + 31331.

It is an arithmetic number, because the mean of its divisors is an integer number (3962010).

Almost surely, 252114815 is an apocalyptic number.

52114815 is a deficient number, since it is larger than the sum of its proper divisors (42973425).

52114815 is a wasteful number, since it uses less digits than its factorization.

52114815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60983 (or 60980 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 52114815 is about 7219.0591492244. The cubic root of 52114815 is about 373.5256241728.

The spelling of 52114815 in words is "fifty-two million, one hundred fourteen thousand, eight hundred fifteen".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 60953 182859 304765 548577 914295 1158107 2742885 3474321 5790535 10422963 17371605 52114815