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52492961 = 351114951
BaseRepresentation
bin1100100000111…
…1101010100001
310122202220210202
43020033222201
5101414233321
65113034545
71205116463
oct310175241
9118686722
1052492961
11276a3814
12156b5a55
13ab4c031
146d86133
15491d70b
hex320faa1

52492961 has 4 divisors (see below), whose sum is σ = 52511424. Its totient is φ = 52474500.

The previous prime is 52492931. The next prime is 52492963. The reversal of 52492961 is 16929425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52492961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52492963) 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, 3965 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (13127856).

Almost surely, 252492961 is an apocalyptic number.

It is an amenable number.

52492961 is a deficient number, since it is larger than the sum of its proper divisors (18463).

52492961 is a wasteful number, since it uses less digits than its factorization.

52492961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18462.

The product of its digits is 38880, while the sum is 38.

The square root of 52492961 is about 7245.2026196650. The cubic root of 52492961 is about 374.4268839550.

The spelling of 52492961 in words is "fifty-two million, four hundred ninety-two thousand, nine hundred sixty-one".

Divisors: 1 3511 14951 52492961