Base | Representation |
---|---|
bin | 111000111010… |
… | …1101100110111 |
3 | 2002011010211211 |
4 | 1301311230313 |
5 | 30114422411 |
6 | 2543342251 |
7 | 511440406 |
oct | 161655467 |
9 | 62133754 |
10 | 29842231 |
11 | 15932a01 |
12 | 9bb1987 |
13 | 624b233 |
14 | 3d6b63d |
15 | 2947221 |
hex | 1c75b37 |
29842231 has 2 divisors, whose sum is σ = 29842232. Its totient is φ = 29842230.
The previous prime is 29842229. The next prime is 29842277. The reversal of 29842231 is 13224892.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 29842231 - 21 = 29842229 is a prime.
It is a super-2 number, since 2×298422312 = 1781117502114722, which contains 22 as substring.
Together with 29842229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 29842193 and 29842202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29842291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14921115 + 14921116.
It is an arithmetic number, because the mean of its divisors is an integer number (14921116).
Almost surely, 229842231 is an apocalyptic number.
29842231 is a deficient number, since it is larger than the sum of its proper divisors (1).
29842231 is an equidigital number, since it uses as much as digits as its factorization.
29842231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6912, while the sum is 31.
The square root of 29842231 is about 5462.8043164660. The cubic root of 29842231 is about 310.1775985468.
The spelling of 29842231 in words is "twenty-nine million, eight hundred forty-two thousand, two hundred thirty-one".
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