Base | Representation |
---|---|
bin | 1100111000010… |
… | …0001010111001 |
3 | 10202122102210021 |
4 | 3032010022321 |
5 | 102312044440 |
6 | 5205450441 |
7 | 1224103024 |
oct | 316041271 |
9 | 122572707 |
10 | 54018745 |
11 | 285460a0 |
12 | 16110a21 |
13 | b264671 |
14 | 72621bb |
15 | 4b2084a |
hex | 33842b9 |
54018745 has 16 divisors (see below), whose sum is σ = 72223488. Its totient is φ = 38448640.
The previous prime is 54018721. The next prime is 54018761. The reversal of 54018745 is 54781045.
It is not a de Polignac number, because 54018745 - 27 = 54018617 is a prime.
It is a super-2 number, since 2×540187452 = 5836049622750050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 54018745.
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, 7864 + ... + 13033.
It is an arithmetic number, because the mean of its divisors is an integer number (4513968).
Almost surely, 254018745 is an apocalyptic number.
54018745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54018745 is a deficient number, since it is larger than the sum of its proper divisors (18204743).
54018745 is a wasteful number, since it uses less digits than its factorization.
54018745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20960.
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 54018745 is about 7349.7445533842. The cubic root of 54018745 is about 378.0200455015.
The spelling of 54018745 in words is "fifty-four million, eighteen thousand, seven hundred forty-five".
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