Base | Representation |
---|---|
bin | 1010111000111… |
… | …1111111110100 |
3 | 10011221201020021 |
4 | 2232033333310 |
5 | 43143203310 |
6 | 4311014524 |
7 | 1063155463 |
oct | 256177764 |
9 | 104851207 |
10 | 45678580 |
11 | 23869aa2 |
12 | 1336a444 |
13 | 960445c |
14 | 60d09da |
15 | 40245da |
hex | 2b8fff4 |
45678580 has 24 divisors (see below), whose sum is σ = 97737192. Its totient is φ = 17926272.
The previous prime is 45678559. The next prime is 45678613. The reversal of 45678580 is 8587654.
It can be written as a sum of positive squares in 4 ways, for example, as 4999696 + 40678884 = 2236^2 + 6378^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20487 + ... + 22606.
It is an arithmetic number, because the mean of its divisors is an integer number (4072383).
Almost surely, 245678580 is an apocalyptic number.
It is an amenable number.
45678580 is an abundant number, since it is smaller than the sum of its proper divisors (52058612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45678580 is a wasteful number, since it uses less digits than its factorization.
45678580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43155 (or 43153 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 43.
The square root of 45678580 is about 6758.5930488527. The cubic root of 45678580 is about 357.4682971871.
The spelling of 45678580 in words is "forty-five million, six hundred seventy-eight thousand, five hundred eighty".
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