Search a number
-
+
52563871 = 113465167
BaseRepresentation
bin1100100010000…
…0111110011111
310122220112002001
43020200332133
5101424020441
65114343131
71205533303
oct310407637
9118815061
1052563871
1127742018
121572aaa7
13ab753a9
146da3d03
154934731
hex3220f9f

52563871 has 4 divisors (see below), whose sum is σ = 53029152. Its totient is φ = 52098592.

The previous prime is 52563859. The next prime is 52563877. The reversal of 52563871 is 17836525.

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 52563871 - 25 = 52563839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52563871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52563877) 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, 232471 + ... + 232696.

It is an arithmetic number, because the mean of its divisors is an integer number (13257288).

Almost surely, 252563871 is an apocalyptic number.

52563871 is a deficient number, since it is larger than the sum of its proper divisors (465281).

52563871 is a wasteful number, since it uses less digits than its factorization.

52563871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465280.

The product of its digits is 50400, while the sum is 37.

The square root of 52563871 is about 7250.0945511076. The cubic root of 52563871 is about 374.5954060039.

The spelling of 52563871 in words is "fifty-two million, five hundred sixty-three thousand, eight hundred seventy-one".

Divisors: 1 113 465167 52563871