Base | Representation |
---|---|
bin | 1111100100100… |
… | …1111101000001 |
3 | 11112220022211012 |
4 | 3321021331001 |
5 | 113210032000 |
6 | 10251530305 |
7 | 1422110435 |
oct | 371117501 |
9 | 145808735 |
10 | 65314625 |
11 | 33960932 |
12 | 19a59995 |
13 | 106bb00c |
14 | 89629c5 |
15 | 5b02735 |
hex | 3e49f41 |
65314625 has 8 divisors (see below), whose sum is σ = 81512808. Its totient is φ = 52251600.
The previous prime is 65314621. The next prime is 65314643. The reversal of 65314625 is 52641356.
It can be written as a sum of positive squares in 4 ways, for example, as 3094081 + 62220544 = 1759^2 + 7888^2 .
It is not a de Polignac number, because 65314625 - 22 = 65314621 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65314591 and 65314600.
It is not an unprimeable number, because it can be changed into a prime (65314621) 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, 261134 + ... + 261383.
It is an arithmetic number, because the mean of its divisors is an integer number (10189101).
Almost surely, 265314625 is an apocalyptic number.
It is an amenable number.
65314625 is a deficient number, since it is larger than the sum of its proper divisors (16198183).
65314625 is an equidigital number, since it uses as much as digits as its factorization.
65314625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 522532 (or 522522 counting only the distinct ones).
The product of its digits is 21600, while the sum is 32.
The square root of 65314625 is about 8081.7464078007. The cubic root of 65314625 is about 402.7202606026.
The spelling of 65314625 in words is "sixty-five million, three hundred fourteen thousand, six hundred twenty-five".
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