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52185793 = 114744163
BaseRepresentation
bin1100011100010…
…0101011000001
310122012022110011
43013010223001
5101324421133
65102304521
71202400112
oct307045301
9118168404
1052185793
1127503a60
1215588141
13aa7228a
146d06209
1548ac6cd
hex31c4ac1

52185793 has 4 divisors (see below), whose sum is σ = 56929968. Its totient is φ = 47441620.

The previous prime is 52185769. The next prime is 52185797. The reversal of 52185793 is 39758125.

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 not a de Polignac number, because 52185793 - 217 = 52054721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52185797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372071 + ... + 2372092.

It is an arithmetic number, because the mean of its divisors is an integer number (14232492).

Almost surely, 252185793 is an apocalyptic number.

It is an amenable number.

52185793 is a deficient number, since it is larger than the sum of its proper divisors (4744175).

52185793 is a wasteful number, since it uses less digits than its factorization.

52185793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744174.

The product of its digits is 75600, while the sum is 40.

The square root of 52185793 is about 7223.9734910920. The cubic root of 52185793 is about 373.6951221985.

It can be divided in two parts, 5218 and 5793, that added together give a palindrome (11011).

The spelling of 52185793 in words is "fifty-two million, one hundred eighty-five thousand, seven hundred ninety-three".

Divisors: 1 11 4744163 52185793