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52185899 = 792412741
BaseRepresentation
bin1100011100010…
…0101100101011
310122012022121002
43013010230223
5101324422044
65102305215
71202400323
oct307045453
9118168532
1052185899
1127504047
121558820b
13aa7233c
146d06283
1548ac74e
hex31c4b2b

52185899 has 8 divisors (see below), whose sum is σ = 53085120. Its totient is φ = 51292800.

The previous prime is 52185871. The next prime is 52185901. The reversal of 52185899 is 99858125.

52185899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52185899 - 220 = 51137323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52185299) 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 7 ways as a sum of consecutive naturals, for example, 17669 + ... + 20409.

It is an arithmetic number, because the mean of its divisors is an integer number (6635640).

Almost surely, 252185899 is an apocalyptic number.

52185899 is a deficient number, since it is larger than the sum of its proper divisors (899221).

52185899 is a wasteful number, since it uses less digits than its factorization.

52185899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061.

The product of its digits is 259200, while the sum is 47.

The square root of 52185899 is about 7223.9808277708. The cubic root of 52185899 is about 373.6953752153.

The spelling of 52185899 in words is "fifty-two million, one hundred eighty-five thousand, eight hundred ninety-nine".

Divisors: 1 79 241 2741 19039 216539 660581 52185899