Base | Representation |
---|---|
bin | 101111111001… |
… | …0111101101000 |
3 | 1202020211202210 |
4 | 1133302331220 |
5 | 22412044144 |
6 | 2254125120 |
7 | 423311031 |
oct | 137627550 |
9 | 52224683 |
10 | 25112424 |
11 | 131a2377 |
12 | 84b07a0 |
13 | 528342c |
14 | 3499a88 |
15 | 2310ab9 |
hex | 17f2f68 |
25112424 has 16 divisors (see below), whose sum is σ = 62781120. Its totient is φ = 8370800.
The previous prime is 25112413. The next prime is 25112431. The reversal of 25112424 is 42421152.
It is a self number, because there is not a number n which added to its sum of digits gives 25112424.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523152 + ... + 523199.
It is an arithmetic number, because the mean of its divisors is an integer number (3923820).
Almost surely, 225112424 is an apocalyptic number.
25112424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
25112424 is an abundant number, since it is smaller than the sum of its proper divisors (37668696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25112424 is a wasteful number, since it uses less digits than its factorization.
25112424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046360 (or 1046356 counting only the distinct ones).
The product of its digits is 640, while the sum is 21.
The square root of 25112424 is about 5011.2297891835. The cubic root of 25112424 is about 292.8394248027.
Adding to 25112424 its reverse (42421152), we get a palindrome (67533576).
The spelling of 25112424 in words is "twenty-five million, one hundred twelve thousand, four hundred twenty-four".
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