Base | Representation |
---|---|
bin | 110000010101… |
… | …1101111001001 |
3 | 1202200122202120 |
4 | 1200223233021 |
5 | 22442014334 |
6 | 2303121453 |
7 | 425300016 |
oct | 140535711 |
9 | 52618676 |
10 | 25344969 |
11 | 13341061 |
12 | 85a3289 |
13 | 5335230 |
14 | 351a70d |
15 | 2359949 |
hex | 182bbc9 |
25344969 has 8 divisors (see below), whose sum is σ = 36392832. Its totient is φ = 15596880.
The previous prime is 25344937. The next prime is 25344989. The reversal of 25344969 is 96944352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25344969 - 25 = 25344937 is a prime.
It is a super-2 number, since 2×253449692 = 1284734907221922, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 25344969.
It is not an unprimeable number, because it can be changed into a prime (25344989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324897 + ... + 324974.
It is an arithmetic number, because the mean of its divisors is an integer number (4549104).
Almost surely, 225344969 is an apocalyptic number.
It is an amenable number.
25344969 is a deficient number, since it is larger than the sum of its proper divisors (11047863).
25344969 is a wasteful number, since it uses less digits than its factorization.
25344969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649887.
The product of its digits is 233280, while the sum is 42.
The square root of 25344969 is about 5034.3787104269. The cubic root of 25344969 is about 293.7405620025.
It can be divided in two parts, 2534 and 4969, that added together give a triangular number (7503 = T122).
The spelling of 25344969 in words is "twenty-five million, three hundred forty-four thousand, nine hundred sixty-nine".
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