| Base | Representation |
|---|---|
| bin | 1010111001000… |
| … | …1101011101000 |
| 3 | 10011222001200211 |
| 4 | 2232101223220 |
| 5 | 43143413410 |
| 6 | 4311110504 |
| 7 | 1063214551 |
| oct | 256215350 |
| 9 | 104861624 |
| 10 | 45685480 |
| 11 | 238741a5 |
| 12 | 13372434 |
| 13 | 9607639 |
| 14 | 60d3328 |
| 15 | 402668a |
| hex | 2b91ae8 |
45685480 has 64 divisors (see below), whose sum is σ = 106822800. Its totient is φ = 17571840.
The previous prime is 45685459. The next prime is 45685483. The reversal of 45685480 is 8458654.
45685480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 338724 + 45346756 = 582^2 + 6734^2 .
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (45685483) 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, 145804 + ... + 146116.
Almost surely, 245685480 is an apocalyptic number.
45685480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45685480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53411400).
45685480 is an abundant number, since it is smaller than the sum of its proper divisors (61137320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45685480 is a wasteful number, since it uses less digits than its factorization.
45685480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454 (or 450 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 40.
The square root of 45685480 is about 6759.1034908485. The cubic root of 45685480 is about 357.4862954630.
The spelling of 45685480 in words is "forty-five million, six hundred eighty-five thousand, four hundred eighty".
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