Base | Representation |
---|---|
bin | 101111111110… |
… | …1111001011110 |
3 | 1202100010012200 |
4 | 1133331321132 |
5 | 22420012324 |
6 | 2255112330 |
7 | 423555435 |
oct | 137757136 |
9 | 52303180 |
10 | 25157214 |
11 | 13222a95 |
12 | 85126a6 |
13 | 529a934 |
14 | 34ac11c |
15 | 231dec9 |
hex | 17fde5e |
25157214 has 24 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 8334528.
The previous prime is 25157207. The next prime is 25157219. The reversal of 25157214 is 41275152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25157219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179 + ... + 7190.
It is an arithmetic number, because the mean of its divisors is an integer number (2285010).
Almost surely, 225157214 is an apocalyptic number.
25157214 is an abundant number, since it is smaller than the sum of its proper divisors (29683026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25157214 is a wasteful number, since it uses less digits than its factorization.
25157214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8544 (or 8541 counting only the distinct ones).
The product of its digits is 2800, while the sum is 27.
The square root of 25157214 is about 5015.6967611689. The cubic root of 25157214 is about 293.0134221779.
The spelling of 25157214 in words is "twenty-five million, one hundred fifty-seven thousand, two hundred fourteen".
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