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45636929 = 132312281
BaseRepresentation
bin1010111000010…
…1110101000001
310011212121002122
42232011311001
543140340204
64310054025
71062623162
oct256056501
9104777078
1045636929
1123840778
121334a315
1395bb500
1460bd769
1540170be
hex2b85d41

45636929 has 18 divisors (see below), whose sum is σ = 51244758. Its totient is φ = 40622400.

The previous prime is 45636919. The next prime is 45636949. The reversal of 45636929 is 92963654.

It can be written as a sum of positive squares in 3 ways, for example, as 384400 + 45252529 = 620^2 + 6727^2 .

It is not a de Polignac number, because 45636929 - 28 = 45636673 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 45636929.

It is not an unprimeable number, because it can be changed into a prime (45636919) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162269 + ... + 162549.

It is an arithmetic number, because the mean of its divisors is an integer number (2846931).

Almost surely, 245636929 is an apocalyptic number.

It is an amenable number.

45636929 is a deficient number, since it is larger than the sum of its proper divisors (5607829).

45636929 is a wasteful number, since it uses less digits than its factorization.

45636929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 325 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 45636929 is about 6755.5110095388. The cubic root of 45636929 is about 357.3596143010.

The spelling of 45636929 in words is "forty-five million, six hundred thirty-six thousand, nine hundred twenty-nine".

Divisors: 1 13 31 169 281 403 961 3653 5239 8711 12493 47489 113243 162409 270041 1472159 3510533 45636929