Base | Representation |
---|---|
bin | 1010111000100… |
… | …0011011011100 |
3 | 10011220010201010 |
4 | 2232020123130 |
5 | 43141210310 |
6 | 4310215220 |
7 | 1062666216 |
oct | 256103334 |
9 | 104803633 |
10 | 45647580 |
11 | 23848780 |
12 | 13354510 |
13 | 95c3304 |
14 | 60c35b6 |
15 | 401a320 |
hex | 2b886dc |
45647580 has 48 divisors (see below), whose sum is σ = 139434624. Its totient is φ = 11065920.
The previous prime is 45647579. The next prime is 45647587. The reversal of 45647580 is 8574654.
45647580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45647587) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33922 + ... + 35241.
It is an arithmetic number, because the mean of its divisors is an integer number (2904888).
Almost surely, 245647580 is an apocalyptic number.
It is an amenable number.
45647580 is an abundant number, since it is smaller than the sum of its proper divisors (93787044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45647580 is a wasteful number, since it uses less digits than its factorization.
45647580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69186 (or 69184 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 39.
The square root of 45647580 is about 6756.2992828915. The cubic root of 45647580 is about 357.3874129958.
The spelling of 45647580 in words is "forty-five million, six hundred forty-seven thousand, five hundred eighty".
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