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45865 = 59173
BaseRepresentation
bin1011001100101001
32022220201
423030221
52431430
6552201
7250501
oct131451
968821
1045865
1131506
1222661
1317b51
1412a01
15d8ca
hexb329

45865 has 4 divisors (see below), whose sum is σ = 55044. Its totient is φ = 36688.

The previous prime is 45863. The next prime is 45869. The reversal of 45865 is 56854.

45865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7056 + 38809 = 84^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 45865 - 21 = 45863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45863) 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, 4582 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (13761).

245865 is an apocalyptic number.

It is an amenable number.

45865 is a deficient number, since it is larger than the sum of its proper divisors (9179).

45865 is an equidigital number, since it uses as much as digits as its factorization.

45865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178.

The product of its digits is 4800, while the sum is 28.

The square root of 45865 is about 214.1611542741. The cubic root of 45865 is about 35.7953928093.

The spelling of 45865 in words is "forty-five thousand, eight hundred sixty-five".

Divisors: 1 5 9173 45865