Base | Representation |
---|---|
bin | 110000010100… |
… | …1000111110101 |
3 | 1202200010001222 |
4 | 1200221013311 |
5 | 22441144021 |
6 | 2303000125 |
7 | 425223551 |
oct | 140510765 |
9 | 52603058 |
10 | 25334261 |
11 | 13334007 |
12 | 8599045 |
13 | 53303b4 |
14 | 3516861 |
15 | 23566ab |
hex | 18291f5 |
25334261 has 4 divisors (see below), whose sum is σ = 25558572. Its totient is φ = 25109952.
The previous prime is 25334249. The next prime is 25334263. The reversal of 25334261 is 16243352.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6027025 + 19307236 = 2455^2 + 4394^2 .
It is a cyclic number.
It is not a de Polignac number, because 25334261 - 210 = 25333237 is a prime.
It is a super-2 number, since 2×253342612 = 1283649560832242, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 25334261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25334263) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111986 + ... + 112211.
It is an arithmetic number, because the mean of its divisors is an integer number (6389643).
Almost surely, 225334261 is an apocalyptic number.
It is an amenable number.
25334261 is a deficient number, since it is larger than the sum of its proper divisors (224311).
25334261 is a wasteful number, since it uses less digits than its factorization.
25334261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224310.
The product of its digits is 4320, while the sum is 26.
The square root of 25334261 is about 5033.3151103423. The cubic root of 25334261 is about 293.6991886763.
Subtracting from 25334261 its reverse (16243352), we obtain a palindrome (9090909).
The spelling of 25334261 in words is "twenty-five million, three hundred thirty-four thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •