Base | Representation |
---|---|
bin | 1100110110111… |
… | …0110110100001 |
3 | 10202111000000012 |
4 | 3031232312201 |
5 | 102301301200 |
6 | 5203534305 |
7 | 1223260322 |
oct | 315566641 |
9 | 122430005 |
10 | 53931425 |
11 | 28496529 |
12 | 1608a395 |
13 | b2339b2 |
14 | 723c449 |
15 | 4b04a35 |
hex | 336eda1 |
53931425 has 6 divisors (see below), whose sum is σ = 66874998. Its totient is φ = 43145120.
The previous prime is 53931407. The next prime is 53931431. The reversal of 53931425 is 52413935.
It can be written as a sum of positive squares in 3 ways, for example, as 99856 + 53831569 = 316^2 + 7337^2 .
It is not a de Polignac number, because 53931425 - 28 = 53931169 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53931391 and 53931400.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1078604 + ... + 1078653.
It is an arithmetic number, because the mean of its divisors is an integer number (11145833).
Almost surely, 253931425 is an apocalyptic number.
It is an amenable number.
53931425 is a deficient number, since it is larger than the sum of its proper divisors (12943573).
53931425 is a wasteful number, since it uses less digits than its factorization.
53931425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2157267 (or 2157262 counting only the distinct ones).
The product of its digits is 16200, while the sum is 32.
The square root of 53931425 is about 7343.8018083279. The cubic root of 53931425 is about 377.8162488856.
The spelling of 53931425 in words is "fifty-three million, nine hundred thirty-one thousand, four hundred twenty-five".
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