Base | Representation |
---|---|
bin | 101111111010… |
… | …1010101101000 |
3 | 1202021100010002 |
4 | 1133311111220 |
5 | 22412402102 |
6 | 2254242132 |
7 | 423351266 |
oct | 137652550 |
9 | 52240102 |
10 | 25122152 |
11 | 131a9710 |
12 | 84b6348 |
13 | 52879a3 |
14 | 349d436 |
15 | 2313902 |
hex | 17f5568 |
25122152 has 32 divisors (see below), whose sum is σ = 53049600. Its totient is φ = 11049600.
The previous prime is 25122151. The next prime is 25122157.
It is a happy number.
25122152 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×251221522 = 1262245042222208, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (25122151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877 + ... + 7332.
It is an arithmetic number, because the mean of its divisors is an integer number (1657800).
Almost surely, 225122152 is an apocalyptic number.
25122152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
25122152 is an abundant number, since it is smaller than the sum of its proper divisors (27927448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25122152 is a wasteful number, since it uses less digits than its factorization.
25122152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9257 (or 9253 counting only the distinct ones).
The product of its digits is 400, while the sum is 20.
The square root of 25122152 is about 5012.2003152308. The cubic root of 25122152 is about 292.8772331024.
It can be divided in two parts, 2512 and 2152, that added together give a palindrome (4664).
The spelling of 25122152 in words is "twenty-five million, one hundred twenty-two thousand, one hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •