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52637 = 134049
BaseRepresentation
bin1100110110011101
32200012112
430312131
53141022
61043405
7306314
oct146635
980175
1052637
1136602
1226565
131ac60
141527b
15108e2
hexcd9d

52637 has 4 divisors (see below), whose sum is σ = 56700. Its totient is φ = 48576.

The previous prime is 52631. The next prime is 52639. The reversal of 52637 is 73625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 42436 = 101^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 52637 - 210 = 51613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012 + ... + 2037.

It is an arithmetic number, because the mean of its divisors is an integer number (14175).

252637 is an apocalyptic number.

It is an amenable number.

52637 is a deficient number, since it is larger than the sum of its proper divisors (4063).

52637 is a wasteful number, since it uses less digits than its factorization.

52637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062.

The product of its digits is 1260, while the sum is 23.

The square root of 52637 is about 229.4275484766. The cubic root of 52637 is about 37.4769042971.

It can be divided in two parts, 52 and 637, that multiplied together give a square (33124 = 1822).

The spelling of 52637 in words is "fifty-two thousand, six hundred thirty-seven".

Divisors: 1 13 4049 52637