Base | Representation |
---|---|
bin | 110000100000… |
… | …0101100111001 |
3 | 1202212000120000 |
4 | 1201000230321 |
5 | 23002241331 |
6 | 2305023213 |
7 | 426105252 |
oct | 141005471 |
9 | 52760500 |
10 | 25430841 |
11 | 1339a627 |
12 | 8624b09 |
13 | 5365347 |
14 | 353db29 |
15 | 23750e6 |
hex | 1840b39 |
25430841 has 10 divisors (see below), whose sum is σ = 37989402. Its totient is φ = 16953840.
The previous prime is 25430837. The next prime is 25430849. The reversal of 25430841 is 14803452.
It can be written as a sum of positive squares in only one way, i.e., 25401600 + 29241 = 5040^2 + 171^2 .
It is not a de Polignac number, because 25430841 - 22 = 25430837 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (25430849) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 156900 + ... + 157061.
Almost surely, 225430841 is an apocalyptic number.
It is an amenable number.
25430841 is a deficient number, since it is larger than the sum of its proper divisors (12558561).
25430841 is an equidigital number, since it uses as much as digits as its factorization.
25430841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313973 (or 313964 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 25430841 is about 5042.9000584981. The cubic root of 25430841 is about 294.0719315872.
The spelling of 25430841 in words is "twenty-five million, four hundred thirty thousand, eight hundred forty-one".
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