Base | Representation |
---|---|
bin | 1010101110111… |
… | …0101111100000 |
3 | 10010201011012022 |
4 | 2223232233200 |
5 | 43011034310 |
6 | 4244521012 |
7 | 1054435022 |
oct | 253565740 |
9 | 103634168 |
10 | 45018080 |
11 | 23458828 |
12 | 130b0168 |
13 | 9432923 |
14 | 5d9c012 |
15 | 3e43a55 |
hex | 2aeebe0 |
45018080 has 24 divisors (see below), whose sum is σ = 106355592. Its totient is φ = 18007168.
The previous prime is 45018079. The next prime is 45018089. The reversal of 45018080 is 8081054.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45018089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140522 + ... + 140841.
It is an arithmetic number, because the mean of its divisors is an integer number (4431483).
Almost surely, 245018080 is an apocalyptic number.
45018080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
45018080 is an abundant number, since it is smaller than the sum of its proper divisors (61337512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45018080 is a wasteful number, since it uses less digits than its factorization.
45018080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281378 (or 281370 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 45018080 is about 6709.5514008017. The cubic root of 45018080 is about 355.7369600937.
The spelling of 45018080 in words is "forty-five million, eighteen thousand, eighty".
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