Base | Representation |
---|---|
bin | 1101101001111… |
… | …1000100000001 |
3 | 10222202212000102 |
4 | 3122133010001 |
5 | 104130242000 |
6 | 5403332145 |
7 | 1263553262 |
oct | 332370401 |
9 | 128685012 |
10 | 57274625 |
11 | 2a36a301 |
12 | 17221055 |
13 | bb34615 |
14 | 786c969 |
15 | 50653d5 |
hex | 369f101 |
57274625 has 8 divisors (see below), whose sum is σ = 71478888. Its totient is φ = 45819600.
The previous prime is 57274621. The next prime is 57274627. The reversal of 57274625 is 52647275.
It is a happy number.
It is a Cunningham number, because it is equal to 75682+1.
It can be written as a sum of positive squares in 4 ways, for example, as 1 + 57274624 = 1^2 + 7568^2 .
It is not a de Polignac number, because 57274625 - 22 = 57274621 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57274621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228974 + ... + 229223.
It is an arithmetic number, because the mean of its divisors is an integer number (8934861).
Almost surely, 257274625 is an apocalyptic number.
It is an amenable number.
57274625 is a deficient number, since it is larger than the sum of its proper divisors (14204263).
57274625 is an equidigital number, since it uses as much as digits as its factorization.
57274625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458212 (or 458202 counting only the distinct ones).
The product of its digits is 117600, while the sum is 38.
The square root of 57274625 is about 7568.0000660677. Note that the first 4 decimals coincide. The cubic root of 57274625 is about 385.4671901951.
The spelling of 57274625 in words is "fifty-seven million, two hundred seventy-four thousand, six hundred twenty-five".
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