Search a number
-
+
45581828 = 2217670321
BaseRepresentation
bin1010110111100…
…0011000000100
310011202210111212
42231320120010
543132104303
64304550552
71062303425
oct255703004
9104683455
1045581828
1123803336
1213322458
13959c3c6
1460a764c
154005ad8
hex2b78604

45581828 has 12 divisors (see below), whose sum is σ = 84460572. Its totient is φ = 21450240.

The previous prime is 45581821. The next prime is 45581863. The reversal of 45581828 is 82818554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32171584 + 13410244 = 5672^2 + 3662^2 .

It is not an unprimeable number, because it can be changed into a prime (45581821) 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 3 ways as a sum of consecutive naturals, for example, 335093 + ... + 335228.

It is an arithmetic number, because the mean of its divisors is an integer number (7038381).

Almost surely, 245581828 is an apocalyptic number.

It is an amenable number.

45581828 is a deficient number, since it is larger than the sum of its proper divisors (38878744).

45581828 is a wasteful number, since it uses less digits than its factorization.

45581828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670342 (or 670340 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 45581828 is about 6751.4315519007. The cubic root of 45581828 is about 357.2157337301.

The spelling of 45581828 in words is "forty-five million, five hundred eighty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 670321 1340642 2681284 11395457 22790914 45581828