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45087 = 3719113
BaseRepresentation
bin1011000000011111
32021211220
423000133
52420322
6544423
7245310
oct130037
967756
1045087
1130969
1222113
13176a3
1412607
15d55c
hexb01f

45087 has 16 divisors (see below), whose sum is σ = 72960. Its totient is φ = 24192.

The previous prime is 45083. The next prime is 45119. The reversal of 45087 is 78054.

45087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45087 - 22 = 45083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45083) 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, 343 + ... + 455.

It is an arithmetic number, because the mean of its divisors is an integer number (4560).

245087 is an apocalyptic number.

45087 is a deficient number, since it is larger than the sum of its proper divisors (27873).

45087 is a wasteful number, since it uses less digits than its factorization.

45087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 45087 is about 212.3369963054. The cubic root of 45087 is about 35.5918404900.

The spelling of 45087 in words is "forty-five thousand, eighty-seven".

Divisors: 1 3 7 19 21 57 113 133 339 399 791 2147 2373 6441 15029 45087