Base | Representation |
---|---|
bin | 101111110001… |
… | …0011010010110 |
3 | 1202010101202220 |
4 | 1133202122112 |
5 | 22402412010 |
6 | 2252443210 |
7 | 422606262 |
oct | 137423226 |
9 | 52111686 |
10 | 25044630 |
11 | 13156446 |
12 | 8479506 |
13 | 525b610 |
14 | 347d0a2 |
15 | 22ea970 |
hex | 17e2696 |
25044630 has 32 divisors (see below), whose sum is σ = 64731744. Its totient is φ = 6164736.
The previous prime is 25044623. The next prime is 25044637. The reversal of 25044630 is 3644052.
It is an interprime number because it is at equal distance from previous prime (25044623) and next prime (25044637).
It is a self number, because there is not a number n which added to its sum of digits gives 25044630.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25044637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31719 + ... + 32498.
It is an arithmetic number, because the mean of its divisors is an integer number (2022867).
Almost surely, 225044630 is an apocalyptic number.
25044630 is an abundant number, since it is smaller than the sum of its proper divisors (39687114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25044630 is a wasteful number, since it uses less digits than its factorization.
25044630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64240.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 25044630 is about 5004.4610099390. The cubic root of 25044630 is about 292.5756689320.
Adding to 25044630 its reverse (3644052), we get a palindrome (28688682).
The spelling of 25044630 in words is "twenty-five million, forty-four thousand, six hundred thirty".
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