Base | Representation |
---|---|
bin | 1100111100010… |
… | …0101010101000 |
3 | 10210010212011112 |
4 | 3033010222220 |
5 | 102344023140 |
6 | 5215245452 |
7 | 1226253146 |
oct | 317045250 |
9 | 123125145 |
10 | 54282920 |
11 | 2870661a |
12 | 16219888 |
13 | b327993 |
14 | 72d0596 |
15 | 4b73c65 |
hex | 33c4aa8 |
54282920 has 32 divisors (see below), whose sum is σ = 122358600. Its totient is φ = 21673728.
The previous prime is 54282911. The next prime is 54282929. The reversal of 54282920 is 2928245.
It is an interprime number because it is at equal distance from previous prime (54282911) and next prime (54282929).
It can be written as a sum of positive squares in 4 ways, for example, as 30096196 + 24186724 = 5486^2 + 4918^2 .
It is not an unprimeable number, because it can be changed into a prime (54282929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32342 + ... + 33978.
Almost surely, 254282920 is an apocalyptic number.
It is an amenable number.
54282920 is an abundant number, since it is smaller than the sum of its proper divisors (68075680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54282920 is a wasteful number, since it uses less digits than its factorization.
54282920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2477 (or 2473 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 54282920 is about 7367.6943476233. The cubic root of 54282920 is about 378.6352707940.
The spelling of 54282920 in words is "fifty-four million, two hundred eighty-two thousand, nine hundred twenty".
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