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45052389 = 332696203
BaseRepresentation
bin1010101111011…
…1000111100101
310010202220021000
42223313013211
543013134024
64245343513
71054640034
oct253670745
9103686230
1045052389
1123481588
1213107b99
139445425
145daa71b
153e4dcc9
hex2af71e5

45052389 has 16 divisors (see below), whose sum is σ = 67003200. Its totient is φ = 29918448.

The previous prime is 45052373. The next prime is 45052391. The reversal of 45052389 is 98325054.

45052389 is a `hidden beast` number, since 4 + 50 + 523 + 89 = 666.

It is not a de Polignac number, because 45052389 - 24 = 45052373 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45052339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4162 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (4187700).

Almost surely, 245052389 is an apocalyptic number.

It is an amenable number.

45052389 is a deficient number, since it is larger than the sum of its proper divisors (21950811).

45052389 is a wasteful number, since it uses less digits than its factorization.

45052389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481 (or 6475 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 45052389 is about 6712.1076421643. The cubic root of 45052389 is about 355.8273080912.

The spelling of 45052389 in words is "forty-five million, fifty-two thousand, three hundred eighty-nine".

Divisors: 1 3 9 27 269 807 2421 6203 7263 18609 55827 167481 1668607 5005821 15017463 45052389