Base | Representation |
---|---|
bin | 1010101110101… |
… | …0010110010111 |
3 | 10010200020111220 |
4 | 2223222112113 |
5 | 43010000322 |
6 | 4244301423 |
7 | 1054331406 |
oct | 253522627 |
9 | 103606456 |
10 | 45000087 |
11 | 23446260 |
12 | 130a1873 |
13 | 9427692 |
14 | 5d9563d |
15 | 3e3d55c |
hex | 2aea597 |
45000087 has 16 divisors (see below), whose sum is σ = 65657088. Its totient is φ = 27188480.
The previous prime is 45000077. The next prime is 45000097. The reversal of 45000087 is 78000054.
It is an interprime number because it is at equal distance from previous prime (45000077) and next prime (45000097).
It is not a de Polignac number, because 45000087 - 26 = 45000023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45000017) 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, 9718 + ... + 13580.
It is an arithmetic number, because the mean of its divisors is an integer number (4103568).
Almost surely, 245000087 is an apocalyptic number.
45000087 is a deficient number, since it is larger than the sum of its proper divisors (20657001).
45000087 is a wasteful number, since it uses less digits than its factorization.
45000087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4230.
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 45000087 is about 6708.2104170934. The cubic root of 45000087 is about 355.6895596709.
The spelling of 45000087 in words is "forty-five million, eighty-seven", and thus it is an aban number and an uban number.
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