Base | Representation |
---|---|
bin | 1101000000000… |
… | …1001111010001 |
3 | 10210121110111121 |
4 | 3100001033101 |
5 | 102424443100 |
6 | 5224442241 |
7 | 1231335403 |
oct | 320011721 |
9 | 123543447 |
10 | 54531025 |
11 | 28865a6a |
12 | 16319381 |
13 | b3b38a3 |
14 | 7356b73 |
15 | 4bc251a |
hex | 34013d1 |
54531025 has 12 divisors (see below), whose sum is σ = 69269004. Its totient is φ = 42560000.
The previous prime is 54531017. The next prime is 54531041. The reversal of 54531025 is 52013545.
It can be written as a sum of positive squares in 6 ways, for example, as 3936256 + 50594769 = 1984^2 + 7113^2 .
It is not a de Polignac number, because 54531025 - 23 = 54531017 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25576 + ... + 27625.
It is an arithmetic number, because the mean of its divisors is an integer number (5772417).
Almost surely, 254531025 is an apocalyptic number.
It is an amenable number.
54531025 is a deficient number, since it is larger than the sum of its proper divisors (14737979).
54531025 is a wasteful number, since it uses less digits than its factorization.
54531025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53252 (or 53247 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 54531025 is about 7384.5125092994. The cubic root of 54531025 is about 379.2112564126.
The spelling of 54531025 in words is "fifty-four million, five hundred thirty-one thousand, twenty-five".
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