Base | Representation |
---|---|
bin | 110000001000… |
… | …0001100001101 |
3 | 1202110220222202 |
4 | 1200100030031 |
5 | 22424412031 |
6 | 2300451245 |
7 | 424320044 |
oct | 140201415 |
9 | 52426882 |
10 | 25232141 |
11 | 13274310 |
12 | 8549b25 |
13 | 52c5a7c |
14 | 34cb55b |
15 | 23362cb |
hex | 181030d |
25232141 has 4 divisors (see below), whose sum is σ = 27525984. Its totient is φ = 22938300.
The previous prime is 25232093. The next prime is 25232147. The reversal of 25232141 is 14123252.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 25232141 - 222 = 21037837 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25232147) 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, 1146905 + ... + 1146926.
It is an arithmetic number, because the mean of its divisors is an integer number (6881496).
Almost surely, 225232141 is an apocalyptic number.
It is an amenable number.
25232141 is a deficient number, since it is larger than the sum of its proper divisors (2293843).
25232141 is a wasteful number, since it uses less digits than its factorization.
25232141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2293842.
The product of its digits is 480, while the sum is 20.
The square root of 25232141 is about 5023.1604593124. The cubic root of 25232141 is about 293.3040327425.
Adding to 25232141 its reverse (14123252), we get a palindrome (39355393).
Subtracting from 25232141 its reverse (14123252), we obtain a square (11108889 = 33332).
It can be divided in two parts, 2523 and 2141, that added together give a palindrome (4664).
The spelling of 25232141 in words is "twenty-five million, two hundred thirty-two thousand, one hundred forty-one".
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