Base | Representation |
---|---|
bin | 101111110000… |
… | …1100111101110 |
3 | 1202010020022220 |
4 | 1133201213232 |
5 | 22402311030 |
6 | 2252420210 |
7 | 422563653 |
oct | 137414756 |
9 | 52106286 |
10 | 25041390 |
11 | 13153a70 |
12 | 8477666 |
13 | 5259cba |
14 | 347bc2a |
15 | 22e9a10 |
hex | 17e19ee |
25041390 has 32 divisors (see below), whose sum is σ = 65563776. Its totient is φ = 6070560.
The previous prime is 25041389. The next prime is 25041407. The reversal of 25041390 is 9314052.
It is a self number, because there is not a number n which added to its sum of digits gives 25041390.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37612 + ... + 38271.
It is an arithmetic number, because the mean of its divisors is an integer number (2048868).
Almost surely, 225041390 is an apocalyptic number.
25041390 is an abundant number, since it is smaller than the sum of its proper divisors (40522386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25041390 is a wasteful number, since it uses less digits than its factorization.
25041390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75904.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 25041390 is about 5004.1372882846. The cubic root of 25041390 is about 292.5630516424.
It can be divided in two parts, 25041 and 390, that multiplied together give a triangular number (9765990 = T4419).
The spelling of 25041390 in words is "twenty-five million, forty-one thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.231 sec. • engine limits •