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45144004 = 2289173733
BaseRepresentation
bin1010110000110…
…1011111000100
310010221112221011
42230031133010
543024102004
64251332004
71055501113
oct254153704
9103845834
1045144004
11235343a4
1213151004
139478039
145dd1c7a
153e6b004
hex2b0d7c4

45144004 has 24 divisors (see below), whose sum is σ = 80461080. Its totient is φ = 22159104.

The previous prime is 45143971. The next prime is 45144007. The reversal of 45144004 is 40044154.

45144004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22581504 + 22562500 = 4752^2 + 4750^2 .

It is not an unprimeable number, because it can be changed into a prime (45144007) by changing a digit.

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, 61222 + ... + 61954.

It is an arithmetic number, because the mean of its divisors is an integer number (3352545).

Almost surely, 245144004 is an apocalyptic number.

It is an amenable number.

45144004 is a deficient number, since it is larger than the sum of its proper divisors (35317076).

45144004 is a wasteful number, since it uses less digits than its factorization.

45144004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 45144004 is about 6718.9287836678. The cubic root of 45144004 is about 356.0683389405.

Adding to 45144004 its reverse (40044154), we get a palindrome (85188158).

The spelling of 45144004 in words is "forty-five million, one hundred forty-four thousand, four".

Divisors: 1 2 4 89 173 178 346 356 692 733 1466 2932 15397 30794 61588 65237 126809 130474 253618 260948 507236 11286001 22572002 45144004