Search a number
-
+
52563286 = 21743157229
BaseRepresentation
bin1100100010000…
…0110101010110
310122220111021101
43020200311112
5101424011121
65114340314
71205531506
oct310406526
9118814241
1052563286
1127741636
121572a69a
13ab75049
146da3a06
154934491
hex3220d56

52563286 has 32 divisors (see below), whose sum is σ = 86343840. Its totient is φ = 23901696.

The previous prime is 52563281. The next prime is 52563307. The reversal of 52563286 is 68236525.

It is a happy number.

It is a super-4 number, since 4×525632864 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52563281) 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 15 ways as a sum of consecutive naturals, for example, 229420 + ... + 229648.

It is an arithmetic number, because the mean of its divisors is an integer number (2698245).

Almost surely, 252563286 is an apocalyptic number.

52563286 is a deficient number, since it is larger than the sum of its proper divisors (33780554).

52563286 is a wasteful number, since it uses less digits than its factorization.

52563286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 86400, while the sum is 37.

The square root of 52563286 is about 7250.0542066939. The cubic root of 52563286 is about 374.5940163350.

The spelling of 52563286 in words is "fifty-two million, five hundred sixty-three thousand, two hundred eighty-six".

Divisors: 1 2 17 34 43 86 157 229 314 458 731 1462 2669 3893 5338 6751 7786 9847 13502 19694 35953 71906 114767 167399 229534 334798 611201 1222402 1545979 3091958 26281643 52563286