Base | Representation |
---|---|
bin | 101111110111… |
… | …0100101011001 |
3 | 1202012221011112 |
4 | 1133232211121 |
5 | 22411010424 |
6 | 2253510105 |
7 | 423204530 |
oct | 137564531 |
9 | 52187145 |
10 | 25094489 |
11 | 1318a952 |
12 | 84a2335 |
13 | 5278214 |
14 | 3493317 |
15 | 230a60e |
hex | 17ee959 |
25094489 has 4 divisors (see below), whose sum is σ = 28679424. Its totient is φ = 21509556.
The previous prime is 25094479. The next prime is 25094513. The reversal of 25094489 is 98449052.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 25094489 - 28 = 25094233 is a prime.
It is a super-2 number, since 2×250944892 = 1259466756342242, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (25094479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792457 + ... + 1792470.
It is an arithmetic number, because the mean of its divisors is an integer number (7169856).
Almost surely, 225094489 is an apocalyptic number.
It is an amenable number.
25094489 is a deficient number, since it is larger than the sum of its proper divisors (3584935).
25094489 is an equidigital number, since it uses as much as digits as its factorization.
25094489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3584934.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 25094489 is about 5009.4399886614. The cubic root of 25094489 is about 292.7696940338.
The spelling of 25094489 in words is "twenty-five million, ninety-four thousand, four hundred eighty-nine".
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