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52690 = 2511479
BaseRepresentation
bin1100110111010010
32200021111
430313102
53141230
61043534
7306421
oct146722
980244
1052690
1136650
12265aa
131aca1
14152b8
151092a
hexcdd2

52690 has 16 divisors (see below), whose sum is σ = 103680. Its totient is φ = 19120.

The previous prime is 52673. The next prime is 52691. The reversal of 52690 is 9625.

52690 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×526902 = 5552472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (52691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 349.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

252690 is an apocalyptic number.

52690 is a deficient number, since it is larger than the sum of its proper divisors (50990).

52690 is a wasteful number, since it uses less digits than its factorization.

52690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 52690 is about 229.5430242896. The cubic root of 52690 is about 37.4894785297.

It can be divided in two parts, 526 and 90, that added together give a palindrome (616).

The spelling of 52690 in words is "fifty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 479 958 2395 4790 5269 10538 26345 52690