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52813858 = 2157168197
BaseRepresentation
bin1100100101111…
…0000000100010
310200101012222211
43021132000202
5102010020413
65123552334
71210624156
oct311360042
9120335884
1052813858
11278a2919
121582b6aa
13ac32106
14702b066
15498383d
hex325e022

52813858 has 8 divisors (see below), whose sum is σ = 79725852. Its totient is φ = 26238576.

The previous prime is 52813841. The next prime is 52813903. The reversal of 52813858 is 85831825.

It can be written as a sum of positive squares in 2 ways, for example, as 52519009 + 294849 = 7247^2 + 543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52813858.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83785 + ... + 84412.

Almost surely, 252813858 is an apocalyptic number.

52813858 is a deficient number, since it is larger than the sum of its proper divisors (26911994).

52813858 is a wasteful number, since it uses less digits than its factorization.

52813858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168356.

The product of its digits is 76800, while the sum is 40.

The square root of 52813858 is about 7267.3143595141. The cubic root of 52813858 is about 375.1883095710.

The spelling of 52813858 in words is "fifty-two million, eight hundred thirteen thousand, eight hundred fifty-eight".

Divisors: 1 2 157 314 168197 336394 26406929 52813858