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52000063 = 59881357
BaseRepresentation
bin1100011001011…
…1010100111111
310121211212200021
43012113110333
5101303000223
65054313011
71200664453
oct306272477
9117755607
1052000063
1127397465
12154b8767
13aa0888b
146c98663
15487265d
hex319753f

52000063 has 4 divisors (see below), whose sum is σ = 52881480. Its totient is φ = 51118648.

The previous prime is 52000061. The next prime is 52000087. The reversal of 52000063 is 36000025.

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

It is a cyclic number.

It is not a de Polignac number, because 52000063 - 21 = 52000061 is a prime.

It is a Duffinian number.

52000063 is a modest number, since divided by 63 gives 52 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52000061) 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, 440620 + ... + 440737.

It is an arithmetic number, because the mean of its divisors is an integer number (13220370).

Almost surely, 252000063 is an apocalyptic number.

52000063 is a deficient number, since it is larger than the sum of its proper divisors (881417).

52000063 is an equidigital number, since it uses as much as digits as its factorization.

52000063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881416.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 52000063 is about 7211.1069191907. The cubic root of 52000063 is about 373.2512664177.

Adding to 52000063 its reverse (36000025), we get a palindrome (88000088).

The spelling of 52000063 in words is "fifty-two million, sixty-three", and thus it is an aban number and an uban number.

Divisors: 1 59 881357 52000063