Base | Representation |
---|---|
bin | 1111111100110111010101 |
3 | 21212102212221 |
4 | 33330313111 |
5 | 2032301321 |
6 | 225342341 |
7 | 50353564 |
oct | 17746725 |
9 | 7772787 |
10 | 4181461 |
11 | 23a6659 |
12 | 14979b1 |
13 | b3534b |
14 | 7abbdb |
15 | 578e41 |
hex | 3fcdd5 |
4181461 has 2 divisors, whose sum is σ = 4181462. Its totient is φ = 4181460.
The previous prime is 4181459. The next prime is 4181479. The reversal of 4181461 is 1641814.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2193361 + 1988100 = 1481^2 + 1410^2 .
It is a cyclic number.
It is not a de Polignac number, because 4181461 - 21 = 4181459 is a prime.
It is a super-3 number, since 3×41814613 (a number of 21 digits) contains 333 as substring.
Together with 4181459, it forms a pair of twin primes.
4181461 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4181431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090730 + 2090731.
It is an arithmetic number, because the mean of its divisors is an integer number (2090731).
Almost surely, 24181461 is an apocalyptic number.
It is an amenable number.
4181461 is a deficient number, since it is larger than the sum of its proper divisors (1).
4181461 is an equidigital number, since it uses as much as digits as its factorization.
4181461 is an evil number, because the sum of its binary digits is even.
The product of its digits is 768, while the sum is 25.
The square root of 4181461 is about 2044.8620980399. The cubic root of 4181461 is about 161.1051227615.
The spelling of 4181461 in words is "four million, one hundred eighty-one thousand, four hundred sixty-one".
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