Base | Representation |
---|---|
bin | 1010110001110… |
… | …1010011001100 |
3 | 10011001211210021 |
4 | 2230131103030 |
5 | 43033140110 |
6 | 4252551524 |
7 | 1056161011 |
oct | 254352314 |
9 | 104054707 |
10 | 45208780 |
11 | 23579031 |
12 | 131825a4 |
13 | 949b676 |
14 | 600b708 |
15 | 3e802da |
hex | 2b1d4cc |
45208780 has 24 divisors (see below), whose sum is σ = 100523808. Its totient is φ = 17019648.
The previous prime is 45208739. The next prime is 45208799. The reversal of 45208780 is 8780254.
45208780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 66144 + ... + 66823.
It is an arithmetic number, because the mean of its divisors is an integer number (4188492).
Almost surely, 245208780 is an apocalyptic number.
It is an amenable number.
45208780 is an abundant number, since it is smaller than the sum of its proper divisors (55315028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45208780 is a wasteful number, since it uses less digits than its factorization.
45208780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132993 (or 132991 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 34.
The square root of 45208780 is about 6723.7474670008. The cubic root of 45208780 is about 356.2385620622.
The spelling of 45208780 in words is "forty-five million, two hundred eight thousand, seven hundred eighty".
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