Base | Representation |
---|---|
bin | 101111110001… |
… | …0010000111100 |
3 | 1202010100221121 |
4 | 1133202100330 |
5 | 22402402103 |
6 | 2252440324 |
7 | 422604442 |
oct | 137422074 |
9 | 52110847 |
10 | 25044028 |
11 | 13155a49 |
12 | 84790a4 |
13 | 525b269 |
14 | 347cb92 |
15 | 22ea6bd |
hex | 17e243c |
25044028 has 12 divisors (see below), whose sum is σ = 43870680. Its totient is φ = 12509552.
The previous prime is 25043983. The next prime is 25044029. The reversal of 25044028 is 82044052.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 25043993 and 25044011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25044029) 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 3 ways as a sum of consecutive naturals, for example, 2550 + ... + 7522.
It is an arithmetic number, because the mean of its divisors is an integer number (3655890).
Almost surely, 225044028 is an apocalyptic number.
It is an amenable number.
25044028 is a deficient number, since it is larger than the sum of its proper divisors (18826652).
25044028 is a wasteful number, since it uses less digits than its factorization.
25044028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6236 (or 6234 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 25044028 is about 5004.4008632403. The cubic root of 25044028 is about 292.5733246907.
The spelling of 25044028 in words is "twenty-five million, forty-four thousand, twenty-eight".
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