Base | Representation |
---|---|
bin | 110000101010… |
… | …0110010110101 |
3 | 1210000012110011 |
4 | 1201110302311 |
5 | 23012410031 |
6 | 2310500221 |
7 | 426600223 |
oct | 141246265 |
9 | 53005404 |
10 | 25513141 |
11 | 13446445 |
12 | 8664671 |
13 | 5393944 |
14 | 3561b13 |
15 | 238e6b1 |
hex | 1854cb5 |
25513141 has 12 divisors (see below), whose sum is σ = 28249452. Its totient is φ = 22960256.
The previous prime is 25513109. The next prime is 25513199. The reversal of 25513141 is 14131552.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8940100 + 16573041 = 2990^2 + 4071^2 .
It is not a de Polignac number, because 25513141 - 25 = 25513109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25513441) 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, 7575 + ... + 10411.
It is an arithmetic number, because the mean of its divisors is an integer number (2354121).
Almost surely, 225513141 is an apocalyptic number.
It is an amenable number.
25513141 is a deficient number, since it is larger than the sum of its proper divisors (2736311).
25513141 is a wasteful number, since it uses less digits than its factorization.
25513141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2900 (or 2877 counting only the distinct ones).
The product of its digits is 600, while the sum is 22.
The square root of 25513141 is about 5051.0534544786. The cubic root of 25513141 is about 294.3888179347.
Adding to 25513141 its reverse (14131552), we get a palindrome (39644693).
The spelling of 25513141 in words is "twenty-five million, five hundred thirteen thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •