Base | Representation |
---|---|
bin | 1010111001000… |
… | …1110101111100 |
3 | 10011222002121021 |
4 | 2232101311330 |
5 | 43143424030 |
6 | 4311113524 |
7 | 1063216513 |
oct | 256216574 |
9 | 104862537 |
10 | 45686140 |
11 | 23874745 |
12 | 133728a4 |
13 | 9607a26 |
14 | 60d367a |
15 | 402697a |
hex | 2b91d7c |
45686140 has 24 divisors (see below), whose sum is σ = 101585232. Its totient is φ = 17199360.
The previous prime is 45686117. The next prime is 45686141. The reversal of 45686140 is 4168654.
45686140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (34).
45686140 is strictly pandigital in base 9.
It is a junction number, because it is equal to n+sod(n) for n = 45686096 and 45686105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45686141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66846 + ... + 67525.
It is an arithmetic number, because the mean of its divisors is an integer number (4232718).
Almost surely, 245686140 is an apocalyptic number.
It is an amenable number.
45686140 is an abundant number, since it is smaller than the sum of its proper divisors (55899092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45686140 is a wasteful number, since it uses less digits than its factorization.
45686140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134397 (or 134395 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 45686140 is about 6759.1523137151. The cubic root of 45686140 is about 357.4880169423.
The spelling of 45686140 in words is "forty-five million, six hundred eighty-six thousand, one hundred forty".
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