Base | Representation |
---|---|
bin | 1010101111010… |
… | …1010110111100 |
3 | 10010202112101000 |
4 | 2223311112330 |
5 | 43012421210 |
6 | 4245250300 |
7 | 1054610025 |
oct | 253652674 |
9 | 103675330 |
10 | 45045180 |
11 | 23477124 |
12 | 13103990 |
13 | 944206b |
14 | 5da7c4c |
15 | 3e4bac0 |
hex | 2af55bc |
45045180 has 48 divisors (see below), whose sum is σ = 140142240. Its totient is φ = 12011904.
The previous prime is 45045163. The next prime is 45045193. The reversal of 45045180 is 8154054.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41169 + ... + 42248.
It is an arithmetic number, because the mean of its divisors is an integer number (2919630).
Almost surely, 245045180 is an apocalyptic number.
It is an amenable number.
45045180 is an abundant number, since it is smaller than the sum of its proper divisors (95097060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45045180 is a wasteful number, since it uses less digits than its factorization.
45045180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83435 (or 83427 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 45045180 is about 6711.5706060504. The cubic root of 45045180 is about 355.8083279960.
The spelling of 45045180 in words is "forty-five million, forty-five thousand, one hundred eighty".
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