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53390115 = 32517101691
BaseRepresentation
bin1100101110101…
…0101100100011
310201110111110200
43023222230203
5102131440430
65144200243
71215544212
oct313525443
9121414420
1053390115
1128156869
1215a69083
13b0a44ac
14713b079
154a49460
hex32eab23

53390115 has 48 divisors (see below), whose sum is σ = 99099936. Its totient is φ = 26496000.

The previous prime is 53390041. The next prime is 53390137. The reversal of 53390115 is 51109335.

It is not a de Polignac number, because 53390115 - 212 = 53386019 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76920 + ... + 77610.

It is an arithmetic number, because the mean of its divisors is an integer number (2064582).

Almost surely, 253390115 is an apocalyptic number.

53390115 is a deficient number, since it is larger than the sum of its proper divisors (45709821).

53390115 is a wasteful number, since it uses less digits than its factorization.

53390115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 53390115 is about 7306.8539741807. The cubic root of 53390115 is about 376.5479481587.

The spelling of 53390115 in words is "fifty-three million, three hundred ninety thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 17 45 51 85 101 153 255 303 505 691 765 909 1515 1717 2073 3455 4545 5151 6219 8585 10365 11747 15453 25755 31095 35241 58735 69791 77265 105723 176205 209373 348955 528615 628119 1046865 1186447 3140595 3559341 5932235 10678023 17796705 53390115