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52511995 = 510502399
BaseRepresentation
bin1100100001010…
…0010011111011
310122210212220201
43020110103323
5101420340440
65113303031
71205226124
oct310242373
9118725821
1052511995
1127707048
1215704a77
13ab578b3
146d8d04b
15492419a
hex32144fb

52511995 has 4 divisors (see below), whose sum is σ = 63014400. Its totient is φ = 42009592.

The previous prime is 52511989. The next prime is 52511999. The reversal of 52511995 is 59911525.

52511995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52511995 - 27 = 52511867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52511999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251195 + ... + 5251204.

It is an arithmetic number, because the mean of its divisors is an integer number (15753600).

Almost surely, 252511995 is an apocalyptic number.

52511995 is a deficient number, since it is larger than the sum of its proper divisors (10502405).

52511995 is a wasteful number, since it uses less digits than its factorization.

52511995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502404.

The product of its digits is 20250, while the sum is 37.

The square root of 52511995 is about 7246.5160594592. The cubic root of 52511995 is about 374.4721343399.

The spelling of 52511995 in words is "fifty-two million, five hundred eleven thousand, nine hundred ninety-five".

Divisors: 1 5 10502399 52511995