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45895820 = 2257132321
BaseRepresentation
bin1010111100010…
…1000010001100
310012100202020012
42233011002030
543222131240
64315412352
71065052025
oct257050214
9105322205
1045895820
11239a8233
12134540b8
13967c2b9
146149c4c
154068b65
hex2bc508c

45895820 has 24 divisors (see below), whose sum is σ = 97741728. Its totient is φ = 18099200.

The previous prime is 45895807. The next prime is 45895847. The reversal of 45895820 is 2859854.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14741 + ... + 17580.

It is an arithmetic number, because the mean of its divisors is an integer number (4072572).

Almost surely, 245895820 is an apocalyptic number.

It is an amenable number.

45895820 is an abundant number, since it is smaller than the sum of its proper divisors (51845908).

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

45895820 is a wasteful number, since it uses less digits than its factorization.

45895820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32401 (or 32399 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 45895820 is about 6774.6453781729. The cubic root of 45895820 is about 358.0340884906.

The spelling of 45895820 in words is "forty-five million, eight hundred ninety-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 32321 64642 129284 161605 323210 646420 2294791 4589582 9179164 11473955 22947910 45895820