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53540157 = 31117195023
BaseRepresentation
bin1100110000111…
…1010100111101
310201202010021210
43030033110331
5102201241112
65151315033
71220040516
oct314172475
9121663253
1053540157
1128249570
1215b1ba79
13b127888
147179a0d
154a78b3c
hex330f53d

53540157 has 32 divisors (see below), whose sum is σ = 86814720. Its totient is φ = 28926720.

The previous prime is 53540143. The next prime is 53540167. The reversal of 53540157 is 75104535.

It is not a de Polignac number, because 53540157 - 24 = 53540141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53540167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8148 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (2712960).

Almost surely, 253540157 is an apocalyptic number.

53540157 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53540157 is a deficient number, since it is larger than the sum of its proper divisors (33274563).

53540157 is a wasteful number, since it uses less digits than its factorization.

53540157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 53540157 is about 7317.1139802521. The cubic root of 53540157 is about 376.9003552435.

The spelling of 53540157 in words is "fifty-three million, five hundred forty thousand, one hundred fifty-seven".

Divisors: 1 3 11 17 19 33 51 57 187 209 323 561 627 969 3553 5023 10659 15069 55253 85391 95437 165759 256173 286311 939301 1049807 1622429 2817903 3149421 4867287 17846719 53540157