Base | Representation |
---|---|
bin | 110000001100… |
… | …1111111011101 |
3 | 1202112222001120 |
4 | 1200121333131 |
5 | 22432203120 |
6 | 2301401153 |
7 | 424545063 |
oct | 140317735 |
9 | 52488046 |
10 | 25272285 |
11 | 132a1495 |
12 | 85691b9 |
13 | 530b11c |
14 | 34dc033 |
15 | 2343140 |
hex | 1819fdd |
25272285 has 64 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 11658240.
The previous prime is 25272271. The next prime is 25272287. The reversal of 25272285 is 58227252.
It is not a de Polignac number, because 25272285 - 211 = 25270237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25272287) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181746 + ... + 181884.
It is an arithmetic number, because the mean of its divisors is an integer number (725760).
Almost surely, 225272285 is an apocalyptic number.
It is an amenable number.
25272285 is a deficient number, since it is larger than the sum of its proper divisors (21176355).
25272285 is a wasteful number, since it uses less digits than its factorization.
25272285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218.
The product of its digits is 22400, while the sum is 33.
The square root of 25272285 is about 5027.1547618907. The cubic root of 25272285 is about 293.4594979261.
The spelling of 25272285 in words is "twenty-five million, two hundred seventy-two thousand, two hundred eighty-five".
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