Base | Representation |
---|---|
bin | 111001000010… |
… | …1010111000001 |
3 | 2002021101211022 |
4 | 1302011113001 |
5 | 30124000434 |
6 | 2544555225 |
7 | 512125403 |
oct | 162052701 |
9 | 62241738 |
10 | 29906369 |
11 | 15977109 |
12 | a022b15 |
13 | 627149c |
14 | 3d86b73 |
15 | 295b22e |
hex | 1c855c1 |
29906369 has 2 divisors, whose sum is σ = 29906370. Its totient is φ = 29906368.
The previous prime is 29906339. The next prime is 29906389. The reversal of 29906369 is 96360992.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26142769 + 3763600 = 5113^2 + 1940^2 .
It is a cyclic number.
It is not a de Polignac number, because 29906369 - 212 = 29902273 is a prime.
It is a super-2 number, since 2×299063692 = 1788781813528322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (29906339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14953184 + 14953185.
It is an arithmetic number, because the mean of its divisors is an integer number (14953185).
Almost surely, 229906369 is an apocalyptic number.
It is an amenable number.
29906369 is a deficient number, since it is larger than the sum of its proper divisors (1).
29906369 is an equidigital number, since it uses as much as digits as its factorization.
29906369 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 157464, while the sum is 44.
The square root of 29906369 is about 5468.6715937237. The cubic root of 29906369 is about 310.3996545026.
The spelling of 29906369 in words is "twenty-nine million, nine hundred six thousand, three hundred sixty-nine".
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