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52563291 = 3111983833
BaseRepresentation
bin1100100010000…
…0110101011011
310122220111021120
43020200311123
5101424011131
65114340323
71205531514
oct310406533
9118814246
1052563291
1127741640
121572a6a3
13ab75051
146da3a0b
154934496
hex3220d5b

52563291 has 16 divisors (see below), whose sum is σ = 80480640. Its totient is φ = 30179520.

The previous prime is 52563281. The next prime is 52563307. The reversal of 52563291 is 19236525.

It is not a de Polignac number, because 52563291 - 222 = 48368987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52563281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41290 + ... + 42543.

It is an arithmetic number, because the mean of its divisors is an integer number (5030040).

Almost surely, 252563291 is an apocalyptic number.

52563291 is a deficient number, since it is larger than the sum of its proper divisors (27917349).

52563291 is a wasteful number, since it uses less digits than its factorization.

52563291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83866.

The product of its digits is 16200, while the sum is 33.

The square root of 52563291 is about 7250.0545515189. The cubic root of 52563291 is about 374.5940282126.

The spelling of 52563291 in words is "fifty-two million, five hundred sixty-three thousand, two hundred ninety-one".

Divisors: 1 3 11 19 33 57 209 627 83833 251499 922163 1592827 2766489 4778481 17521097 52563291