Base | Representation |
---|---|
bin | 111000101001… |
… | …0011100110001 |
3 | 2001212210210001 |
4 | 1301102130301 |
5 | 30100312331 |
6 | 2540310001 |
7 | 510266425 |
oct | 161223461 |
9 | 61783701 |
10 | 29697841 |
11 | 15844478 |
12 | 9b42301 |
13 | 61ca5b4 |
14 | 3d30b85 |
15 | 2919561 |
hex | 1c52731 |
29697841 has 2 divisors, whose sum is σ = 29697842. Its totient is φ = 29697840.
The previous prime is 29697839. The next prime is 29697847. The reversal of 29697841 is 14879692.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28398241 + 1299600 = 5329^2 + 1140^2 .
It is a cyclic number.
It is not a de Polignac number, because 29697841 - 21 = 29697839 is a prime.
It is a super-2 number, since 2×296978412 = 1763923520122562, which contains 22 as substring.
Together with 29697839, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 29697791 and 29697800.
It is not a weakly prime, because it can be changed into another prime (29697847) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14848920 + 14848921.
It is an arithmetic number, because the mean of its divisors is an integer number (14848921).
Almost surely, 229697841 is an apocalyptic number.
It is an amenable number.
29697841 is a deficient number, since it is larger than the sum of its proper divisors (1).
29697841 is an equidigital number, since it uses as much as digits as its factorization.
29697841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 217728, while the sum is 46.
The square root of 29697841 is about 5449.5725520448. The cubic root of 29697841 is about 309.6765304390.
The spelling of 29697841 in words is "twenty-nine million, six hundred ninety-seven thousand, eight hundred forty-one".
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