Base | Representation |
---|---|
bin | 1100111000010… |
… | …0010010010001 |
3 | 10202122110102202 |
4 | 3032010102101 |
5 | 102312103332 |
6 | 5205452545 |
7 | 1224104300 |
oct | 316042221 |
9 | 122573382 |
10 | 54019217 |
11 | 2854648a |
12 | 16111155 |
13 | b264945 |
14 | 7262437 |
15 | 4b20a62 |
hex | 3384491 |
54019217 has 12 divisors (see below), whose sum is σ = 66536100. Its totient is φ = 43577856.
The previous prime is 54019213. The next prime is 54019241. The reversal of 54019217 is 71291045.
It can be written as a sum of positive squares in 2 ways, for example, as 33189121 + 20830096 = 5761^2 + 4564^2 .
It is not a de Polignac number, because 54019217 - 22 = 54019213 is a prime.
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 54019217.
It is not an unprimeable number, because it can be changed into a prime (54019211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31592 + ... + 33257.
It is an arithmetic number, because the mean of its divisors is an integer number (5544675).
Almost surely, 254019217 is an apocalyptic number.
It is an amenable number.
54019217 is a deficient number, since it is larger than the sum of its proper divisors (12516883).
54019217 is a wasteful number, since it uses less digits than its factorization.
54019217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64880 (or 64873 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 54019217 is about 7349.7766632735. The cubic root of 54019217 is about 378.0211465079.
The spelling of 54019217 in words is "fifty-four million, nineteen thousand, two hundred seventeen".
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