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45352131 = 31121011237
BaseRepresentation
bin1010110100000…
…0010011000011
310011100010102120
42231000103003
543102232011
64300015323
71060325646
oct255002303
9104303376
1045352131
1123666800
1213231543
13951b9a6
146047a5d
153eaca06
hex2b404c3

45352131 has 24 divisors (see below), whose sum is σ = 67178832. Its totient is φ = 27192000.

The previous prime is 45352127. The next prime is 45352147. The reversal of 45352131 is 13125354.

It is not a de Polignac number, because 45352131 - 22 = 45352127 is a prime.

It is a super-2 number, since 2×453521312 = 4113631572482322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45352171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36045 + ... + 37281.

It is an arithmetic number, because the mean of its divisors is an integer number (2799118).

Almost surely, 245352131 is an apocalyptic number.

45352131 is a deficient number, since it is larger than the sum of its proper divisors (21826701).

45352131 is a wasteful number, since it uses less digits than its factorization.

45352131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1352 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 45352131 is about 6734.3990823235. The cubic root of 45352131 is about 356.6146930799.

Adding to 45352131 its reverse (13125354), we get a palindrome (58477485).

It can be divided in two parts, 4535 and 2131, that added together give a palindrome (6666).

The spelling of 45352131 in words is "forty-five million, three hundred fifty-two thousand, one hundred thirty-one".

Divisors: 1 3 11 33 101 121 303 363 1111 1237 3333 3711 12221 13607 36663 40821 124937 149677 374811 449031 1374307 4122921 15117377 45352131