Base | Representation |
---|---|
bin | 110000001000… |
… | …0001101000101 |
3 | 1202110221001211 |
4 | 1200100031011 |
5 | 22424412242 |
6 | 2300451421 |
7 | 424320154 |
oct | 140201505 |
9 | 52427054 |
10 | 25232197 |
11 | 13274361 |
12 | 8549b71 |
13 | 52c5ac3 |
14 | 34cb59b |
15 | 2336317 |
hex | 1810345 |
25232197 has 4 divisors (see below), whose sum is σ = 25383456. Its totient is φ = 25080940.
The previous prime is 25232191. The next prime is 25232203. The reversal of 25232197 is 79123252.
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 an interprime number because it is at equal distance from previous prime (25232191) and next prime (25232203).
It is a cyclic number.
It is not a de Polignac number, because 25232197 - 215 = 25199429 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25232191) 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, 75379 + ... + 75712.
It is an arithmetic number, because the mean of its divisors is an integer number (6345864).
Almost surely, 225232197 is an apocalyptic number.
It is an amenable number.
25232197 is a deficient number, since it is larger than the sum of its proper divisors (151259).
25232197 is a wasteful number, since it uses less digits than its factorization.
25232197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151258.
The product of its digits is 7560, while the sum is 31.
The square root of 25232197 is about 5023.1660334892. The cubic root of 25232197 is about 293.3042497278.
The spelling of 25232197 in words is "twenty-five million, two hundred thirty-two thousand, one hundred ninety-seven".
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