Base | Representation |
---|---|
bin | 110111110111… |
… | …0100011110001 |
3 | 2001010000112021 |
4 | 1233232203301 |
5 | 24444214224 |
6 | 2523431441 |
7 | 503643523 |
oct | 157564361 |
9 | 61100467 |
10 | 29288689 |
11 | 15595031 |
12 | 9985581 |
13 | 60b62b1 |
14 | 3c65a13 |
15 | 28881e4 |
hex | 1bee8f1 |
29288689 has 2 divisors, whose sum is σ = 29288690. Its totient is φ = 29288688.
The previous prime is 29288669. The next prime is 29288711. The reversal of 29288689 is 98688292.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27384289 + 1904400 = 5233^2 + 1380^2 .
It is a cyclic number.
It is not a de Polignac number, because 29288689 - 25 = 29288657 is a prime.
It is not a weakly prime, because it can be changed into another prime (29288629) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14644344 + 14644345.
It is an arithmetic number, because the mean of its divisors is an integer number (14644345).
Almost surely, 229288689 is an apocalyptic number.
It is an amenable number.
29288689 is a deficient number, since it is larger than the sum of its proper divisors (1).
29288689 is an equidigital number, since it uses as much as digits as its factorization.
29288689 is an evil number, because the sum of its binary digits is even.
The product of its digits is 995328, while the sum is 52.
The square root of 29288689 is about 5411.9025305340. The cubic root of 29288689 is about 308.2477942084.
The spelling of 29288689 in words is "twenty-nine million, two hundred eighty-eight thousand, six hundred eighty-nine".
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