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45923045 = 572187441
BaseRepresentation
bin1010111100101…
…1101011100101
310012102010120112
42233023223211
543224014140
64320142405
71065224300
oct257135345
9105363515
1045923045
1123a16733
1213467a05
13968b7cc
146155b37
154071c65
hex2bcbae5

45923045 has 12 divisors (see below), whose sum is σ = 64105164. Its totient is φ = 31489920.

The previous prime is 45923029. The next prime is 45923071. The reversal of 45923045 is 54032954.

45923045 = 272 + 282 + ... + 5162.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18653761 + 27269284 = 4319^2 + 5222^2 .

It is not a de Polignac number, because 45923045 - 24 = 45923029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93476 + ... + 93965.

It is an arithmetic number, because the mean of its divisors is an integer number (5342097).

Almost surely, 245923045 is an apocalyptic number.

It is an amenable number.

45923045 is a deficient number, since it is larger than the sum of its proper divisors (18182119).

45923045 is a wasteful number, since it uses less digits than its factorization.

45923045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187460 (or 187453 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 45923045 is about 6776.6544105480. The cubic root of 45923045 is about 358.1048687296.

Adding to 45923045 its reverse (54032954), we get a palindrome (99955999).

The spelling of 45923045 in words is "forty-five million, nine hundred twenty-three thousand, forty-five".

Divisors: 1 5 7 35 49 245 187441 937205 1312087 6560435 9184609 45923045