Base | Representation |
---|---|
bin | 101111101100… |
… | …0100100111101 |
3 | 1202001100112000 |
4 | 1133120210331 |
5 | 22400114344 |
6 | 2251532513 |
7 | 422350656 |
oct | 137304475 |
9 | 52040460 |
10 | 25004349 |
11 | 13129157 |
12 | 845a139 |
13 | 5246196 |
14 | 346c52d |
15 | 22dda69 |
hex | 17d893d |
25004349 has 8 divisors (see below), whose sum is σ = 37043520. Its totient is φ = 16669548.
The previous prime is 25004339. The next prime is 25004359. The reversal of 25004349 is 94340052.
It is an interprime number because it is at equal distance from previous prime (25004339) and next prime (25004359).
It is not a de Polignac number, because 25004349 - 211 = 25002301 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 926087 = 25004349 / (2 + 5 + 0 + 0 + 4 + 3 + 4 + 9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25004339) 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, 463017 + ... + 463070.
It is an arithmetic number, because the mean of its divisors is an integer number (4630440).
Almost surely, 225004349 is an apocalyptic number.
It is an amenable number.
25004349 is a deficient number, since it is larger than the sum of its proper divisors (12039171).
25004349 is an equidigital number, since it uses as much as digits as its factorization.
25004349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 926096 (or 926090 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 25004349 is about 5000.4348810878. The cubic root of 25004349 is about 292.4187282424.
The spelling of 25004349 in words is "twenty-five million, four thousand, three hundred forty-nine".
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