Search a number
-
+
52493331 = 31117137683
BaseRepresentation
bin1100100000111…
…1110000010011
310122202221022110
43020033300103
5101414241311
65113040403
71205120532
oct310176023
9118687273
1052493331
11276a4020
12156b6103
13ab4c257
146d86319
15491d8a6
hex320fc13

52493331 has 32 divisors (see below), whose sum is σ = 81554688. Its totient is φ = 29680640.

The previous prime is 52493321. The next prime is 52493347. The reversal of 52493331 is 13339425.

52493331 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 52493331 - 25 = 52493299 is a prime.

It is a super-2 number, since 2×524933312 = 5511099598951122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52493321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76516 + ... + 77198.

It is an arithmetic number, because the mean of its divisors is an integer number (2548584).

Almost surely, 252493331 is an apocalyptic number.

52493331 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52493331 is a deficient number, since it is larger than the sum of its proper divisors (29061357).

52493331 is a wasteful number, since it uses less digits than its factorization.

52493331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851.

The product of its digits is 9720, while the sum is 30.

The square root of 52493331 is about 7245.2281537575. The cubic root of 52493331 is about 374.4277636768.

The spelling of 52493331 in words is "fifty-two million, four hundred ninety-three thousand, three hundred thirty-one".

Divisors: 1 3 11 17 33 51 137 187 411 561 683 1507 2049 2329 4521 6987 7513 11611 22539 25619 34833 76857 93571 127721 280713 383163 1029281 1590707 3087843 4772121 17497777 52493331