Base | Representation |
---|---|
bin | 101111110101… |
… | …1000110011000 |
3 | 1202012012120220 |
4 | 1133223012120 |
5 | 22410031331 |
6 | 2253320040 |
7 | 423115110 |
oct | 137530630 |
9 | 52165526 |
10 | 25080216 |
11 | 13180157 |
12 | 8496020 |
13 | 5271885 |
14 | 348c040 |
15 | 2306296 |
hex | 17eb198 |
25080216 has 32 divisors (see below), whose sum is σ = 71658240. Its totient is φ = 7165728.
The previous prime is 25080199. The next prime is 25080217. The reversal of 25080216 is 61208052.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25080217) 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, 74476 + ... + 74811.
It is an arithmetic number, because the mean of its divisors is an integer number (2239320).
Almost surely, 225080216 is an apocalyptic number.
It is an amenable number.
25080216 is an abundant number, since it is smaller than the sum of its proper divisors (46578024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25080216 is a wasteful number, since it uses less digits than its factorization.
25080216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149303 (or 149299 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 25080216 is about 5008.0151756959. The cubic root of 25080216 is about 292.7141772716.
Adding to 25080216 its reverse (61208052), we get a palindrome (86288268).
The spelling of 25080216 in words is "twenty-five million, eighty thousand, two hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.059 sec. • engine limits •