Base | Representation |
---|---|
bin | 1100111110100… |
… | …0001101010101 |
3 | 10210102020212102 |
4 | 3033220031111 |
5 | 102413203001 |
6 | 5222331445 |
7 | 1230430451 |
oct | 317501525 |
9 | 123366772 |
10 | 54428501 |
11 | 287a5a36 |
12 | 16289b85 |
13 | b37901a |
14 | 732b661 |
15 | 4ba1e6b |
hex | 33e8355 |
54428501 has 2 divisors, whose sum is σ = 54428502. Its totient is φ = 54428500.
The previous prime is 54428477. The next prime is 54428527. The reversal of 54428501 is 10582445.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41280625 + 13147876 = 6425^2 + 3626^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54428501 is a prime.
It is a super-2 number, since 2×544285012 = 5924923442214002, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54428201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27214250 + 27214251.
It is an arithmetic number, because the mean of its divisors is an integer number (27214251).
Almost surely, 254428501 is an apocalyptic number.
It is an amenable number.
54428501 is a deficient number, since it is larger than the sum of its proper divisors (1).
54428501 is an equidigital number, since it uses as much as digits as its factorization.
54428501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 54428501 is about 7377.5674175164. The cubic root of 54428501 is about 378.9734551158.
The spelling of 54428501 in words is "fifty-four million, four hundred twenty-eight thousand, five hundred one".
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