Base | Representation |
---|---|
bin | 10000001001110010001101 |
3 | 21222010110221 |
4 | 100021302031 |
5 | 2041000011 |
6 | 230431341 |
7 | 50664064 |
oct | 20116215 |
9 | 7863427 |
10 | 4234381 |
11 | 2432398 |
12 | 1502551 |
13 | b53468 |
14 | 7c31db |
15 | 589971 |
hex | 409c8d |
4234381 has 2 divisors, whose sum is σ = 4234382. Its totient is φ = 4234380.
The previous prime is 4234379. The next prime is 4234387. The reversal of 4234381 is 1834324.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3348900 + 885481 = 1830^2 + 941^2 .
It is a cyclic number.
It is not a de Polignac number, because 4234381 - 21 = 4234379 is a prime.
It is a super-2 number, since 2×42343812 = 35859964906322, which contains 22 as substring.
Together with 4234379, it forms a pair of twin primes.
It is a d-powerful number, because it can be written as 42 + 2 + 36 + 411 + 38 + 85 + 1 .
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4234387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117190 + 2117191.
It is an arithmetic number, because the mean of its divisors is an integer number (2117191).
Almost surely, 24234381 is an apocalyptic number.
It is an amenable number.
4234381 is a deficient number, since it is larger than the sum of its proper divisors (1).
4234381 is an equidigital number, since it uses as much as digits as its factorization.
4234381 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2304, while the sum is 25.
The square root of 4234381 is about 2057.7611620399. The cubic root of 4234381 is about 161.7819170875.
It can be divided in two parts, 42343 and 81, that added together give a palindrome (42424).
The spelling of 4234381 in words is "four million, two hundred thirty-four thousand, three hundred eighty-one".
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