Base | Representation |
---|---|
bin | 1100100000011… |
… | …0011100001100 |
3 | 10122200222222110 |
4 | 3020012130030 |
5 | 101412031210 |
6 | 5112144020 |
7 | 1204601361 |
oct | 310063414 |
9 | 118628873 |
10 | 52455180 |
11 | 27678398 |
12 | 15698010 |
13 | ab37a8b |
14 | 6d76468 |
15 | 4912420 |
hex | 320670c |
52455180 has 48 divisors (see below), whose sum is σ = 153264384. Its totient is φ = 13379520.
The previous prime is 52455173. The next prime is 52455209. The reversal of 52455180 is 8155425.
It is a Smith number, since the sum of its digits (30) 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 (30).
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, 17626 + ... + 20385.
It is an arithmetic number, because the mean of its divisors is an integer number (3193008).
Almost surely, 252455180 is an apocalyptic number.
It is an amenable number.
52455180 is an abundant number, since it is smaller than the sum of its proper divisors (100809204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52455180 is a wasteful number, since it uses less digits than its factorization.
52455180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38046 (or 38044 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 52455180 is about 7242.5948388682. The cubic root of 52455180 is about 374.3370330681.
The spelling of 52455180 in words is "fifty-two million, four hundred fifty-five thousand, one hundred eighty".
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