Base | Representation |
---|---|
bin | 1100111000010… |
… | …0000000001001 |
3 | 10202122101211210 |
4 | 3032010000021 |
5 | 102312034212 |
6 | 5205443333 |
7 | 1224101022 |
oct | 316040011 |
9 | 122571753 |
10 | 54018057 |
11 | 28545625 |
12 | 16110549 |
13 | b264262 |
14 | 7261c49 |
15 | 4b2053c |
hex | 3384009 |
54018057 has 4 divisors (see below), whose sum is σ = 72024080. Its totient is φ = 36012036.
The previous prime is 54018043. The next prime is 54018073. The reversal of 54018057 is 75081045.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 54018057 - 220 = 52969481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54018257) 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, 9003007 + ... + 9003012.
It is an arithmetic number, because the mean of its divisors is an integer number (18006020).
Almost surely, 254018057 is an apocalyptic number.
It is an amenable number.
54018057 is a deficient number, since it is larger than the sum of its proper divisors (18006023).
54018057 is a wasteful number, since it uses less digits than its factorization.
54018057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18006022.
The product of its (nonzero) digits is 5600, while the sum is 30.
The square root of 54018057 is about 7349.6977488874. The cubic root of 54018057 is about 378.0184406334.
The spelling of 54018057 in words is "fifty-four million, eighteen thousand, fifty-seven".
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