Base | Representation |
---|---|
bin | 1100111111011… |
… | …0011111101001 |
3 | 10210112020010200 |
4 | 3033312133221 |
5 | 102422041032 |
6 | 5223502413 |
7 | 1231063164 |
oct | 317663751 |
9 | 123466120 |
10 | 54487017 |
11 | 288359a2 |
12 | 162b7a09 |
13 | b399850 |
14 | 7344adb |
15 | 4bb447c |
hex | 33f67e9 |
54487017 has 12 divisors (see below), whose sum is σ = 84757764. Its totient is φ = 33530400.
The previous prime is 54487001. The next prime is 54487019. The reversal of 54487017 is 71078445.
It can be written as a sum of positive squares in 2 ways, for example, as 15848361 + 38638656 = 3981^2 + 6216^2 .
It is not a de Polignac number, because 54487017 - 24 = 54487001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54487019) 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, 232734 + ... + 232967.
It is an arithmetic number, because the mean of its divisors is an integer number (7063147).
Almost surely, 254487017 is an apocalyptic number.
It is an amenable number.
54487017 is a deficient number, since it is larger than the sum of its proper divisors (30270747).
54487017 is a wasteful number, since it uses less digits than its factorization.
54487017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465720 (or 465717 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 54487017 is about 7381.5321580279. The cubic root of 54487017 is about 379.1092177395.
The spelling of 54487017 in words is "fifty-four million, four hundred eighty-seven thousand, seventeen".
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