Base | Representation |
---|---|
bin | 10000001110100111100101 |
3 | 22000010122021 |
4 | 100032213211 |
5 | 2042113211 |
6 | 231103141 |
7 | 51105601 |
oct | 20164745 |
9 | 8003567 |
10 | 4254181 |
11 | 2446258 |
12 | 1511ab1 |
13 | b5c489 |
14 | 7ca501 |
15 | 590771 |
hex | 40e9e5 |
4254181 has 2 divisors, whose sum is σ = 4254182. Its totient is φ = 4254180.
The previous prime is 4254179. The next prime is 4254191. The reversal of 4254181 is 1814524.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3389281 + 864900 = 1841^2 + 930^2 .
It is a cyclic number.
It is not a de Polignac number, because 4254181 - 21 = 4254179 is a prime.
It is a super-2 number, since 2×42541812 = 36196111961522, which contains 22 as substring.
Together with 4254179, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4254101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127090 + 2127091.
It is an arithmetic number, because the mean of its divisors is an integer number (2127091).
Almost surely, 24254181 is an apocalyptic number.
It is an amenable number.
4254181 is a deficient number, since it is larger than the sum of its proper divisors (1).
4254181 is an equidigital number, since it uses as much as digits as its factorization.
4254181 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1280, while the sum is 25.
The square root of 4254181 is about 2062.5666049852. The cubic root of 4254181 is about 162.0336895844.
The spelling of 4254181 in words is "four million, two hundred fifty-four thousand, one hundred eighty-one".
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