Base | Representation |
---|---|
bin | 101011001110110… |
… | …111000110111001 |
3 | 1212112210212112111 |
4 | 223032313012321 |
5 | 2441140103100 |
6 | 155550012321 |
7 | 23655040660 |
oct | 5316670671 |
9 | 1775725474 |
10 | 725316025 |
11 | 342470735 |
12 | 182aa70a1 |
13 | b73643a5 |
14 | 6c487dd7 |
15 | 43a236ba |
hex | 2b3b71b9 |
725316025 has 12 divisors (see below), whose sum is σ = 1027876672. Its totient is φ = 497359440.
The previous prime is 725315993. The next prime is 725316029. The reversal of 725316025 is 520613527.
It is not a de Polignac number, because 725316025 - 25 = 725315993 is a prime.
It is a super-2 number, since 2×7253160252 = 1052166672243601250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (725316029) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2072157 + ... + 2072506.
Almost surely, 2725316025 is an apocalyptic number.
It is an amenable number.
725316025 is a deficient number, since it is larger than the sum of its proper divisors (302560647).
725316025 is a wasteful number, since it uses less digits than its factorization.
725316025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4144680 (or 4144675 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 31.
The square root of 725316025 is about 26931.6918332287. The cubic root of 725316025 is about 898.4813999620.
The spelling of 725316025 in words is "seven hundred twenty-five million, three hundred sixteen thousand, twenty-five".
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