Base | Representation |
---|---|
bin | 110000000111… |
… | …0111010001101 |
3 | 1202110122210101 |
4 | 1200032322031 |
5 | 22424230033 |
6 | 2300411101 |
7 | 424265536 |
oct | 140167215 |
9 | 52418711 |
10 | 25226893 |
11 | 1327037a |
12 | 8546a91 |
13 | 52c3573 |
14 | 34c968d |
15 | 233497d |
hex | 180ee8d |
25226893 has 4 divisors (see below), whose sum is σ = 25252348. Its totient is φ = 25201440.
The previous prime is 25226879. The next prime is 25226923. The reversal of 25226893 is 39862252.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10381284 + 14845609 = 3222^2 + 3853^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25226893 is a prime.
It is a super-2 number, since 2×252268932 = 1272792260866898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25226843) 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, 11178 + ... + 13243.
It is an arithmetic number, because the mean of its divisors is an integer number (6313087).
Almost surely, 225226893 is an apocalyptic number.
It is an amenable number.
25226893 is a deficient number, since it is larger than the sum of its proper divisors (25455).
25226893 is a wasteful number, since it uses less digits than its factorization.
25226893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25454.
The product of its digits is 51840, while the sum is 37.
The square root of 25226893 is about 5022.6380518608. The cubic root of 25226893 is about 293.2836966918.
The spelling of 25226893 in words is "twenty-five million, two hundred twenty-six thousand, eight hundred ninety-three".
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