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45044053 = 421106993
BaseRepresentation
bin1010101111010…
…1000101010101
310010202110211021
42223311011111
543012402203
64245241141
71054603525
oct253650525
9103673737
1045044053
112347629a
12131031b1
1394416b2
145da7685
153e4b5bd
hex2af5155

45044053 has 4 divisors (see below), whose sum is σ = 45151468. Its totient is φ = 44936640.

The previous prime is 45044039. The next prime is 45044099. The reversal of 45044053 is 35044054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22972849 + 22071204 = 4793^2 + 4698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45044053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53076 + ... + 53917.

It is an arithmetic number, because the mean of its divisors is an integer number (11287867).

Almost surely, 245044053 is an apocalyptic number.

It is an amenable number.

45044053 is a deficient number, since it is larger than the sum of its proper divisors (107415).

45044053 is a wasteful number, since it uses less digits than its factorization.

45044053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107414.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45044053 is about 6711.4866460420. The cubic root of 45044053 is about 355.8053606098.

Subtracting from 45044053 its reverse (35044054), we obtain a palindrome (9999999).

The spelling of 45044053 in words is "forty-five million, forty-four thousand, fifty-three".

Divisors: 1 421 106993 45044053