Base | Representation |
---|---|
bin | 101111111001… |
… | …1110001000001 |
3 | 1202021000021121 |
4 | 1133303301001 |
5 | 22412200323 |
6 | 2254152241 |
7 | 423323440 |
oct | 137636101 |
9 | 52230247 |
10 | 25115713 |
11 | 131a4897 |
12 | 84b2681 |
13 | 5284a8c |
14 | 349ad57 |
15 | 2311a5d |
hex | 17f3c41 |
25115713 has 16 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 20966400.
The previous prime is 25115689. The next prime is 25115729. The reversal of 25115713 is 31751152.
It is a de Polignac number, because none of the positive numbers 2k-25115713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25115743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55713 + ... + 56161.
It is an arithmetic number, because the mean of its divisors is an integer number (1841400).
Almost surely, 225115713 is an apocalyptic number.
It is an amenable number.
25115713 is a deficient number, since it is larger than the sum of its proper divisors (4346687).
25115713 is a wasteful number, since it uses less digits than its factorization.
25115713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648.
The product of its digits is 1050, while the sum is 25.
The square root of 25115713 is about 5011.5579413991. The cubic root of 25115713 is about 292.8522087381.
Adding to 25115713 its reverse (31751152), we get a palindrome (56866865).
The spelling of 25115713 in words is "twenty-five million, one hundred fifteen thousand, seven hundred thirteen".
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