Search a number
-
+
45072924 = 22313288929
BaseRepresentation
bin1010101111110…
…0001000011100
310010210221102120
42223330020130
543014313144
64250022540
71055053641
oct253741034
9103727376
1045072924
1123495a56
1213117a50
139451890
145db3dc8
153e54e19
hex2afc21c

45072924 has 24 divisors (see below), whose sum is σ = 113260560. Its totient is φ = 13868544.

The previous prime is 45072913. The next prime is 45072941. The reversal of 45072924 is 42927054.

45072924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144309 + ... + 144620.

It is an arithmetic number, because the mean of its divisors is an integer number (4719190).

Almost surely, 245072924 is an apocalyptic number.

It is an amenable number.

45072924 is an abundant number, since it is smaller than the sum of its proper divisors (68187636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45072924 is a wasteful number, since it uses less digits than its factorization.

45072924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288949 (or 288947 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 45072924 is about 6713.6371662460. The cubic root of 45072924 is about 355.8813622271.

Adding to 45072924 its reverse (42927054), we get a palindrome (87999978).

The spelling of 45072924 in words is "forty-five million, seventy-two thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 288929 577858 866787 1155716 1733574 3467148 3756077 7512154 11268231 15024308 22536462 45072924