Base | Representation |
---|---|
bin | 110111101100… |
… | …0011011110101 |
3 | 2000221102012222 |
4 | 1233120123311 |
5 | 24433314234 |
6 | 2521452125 |
7 | 503115365 |
oct | 157303365 |
9 | 60842188 |
10 | 29198069 |
11 | 15532a3a |
12 | 9941045 |
13 | 6083c84 |
14 | 3c409a5 |
15 | 286b42e |
hex | 1bd86f5 |
29198069 has 4 divisors (see below), whose sum is σ = 29987244. Its totient is φ = 28408896.
The previous prime is 29198051. The next prime is 29198083. The reversal of 29198069 is 96089192.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 18062500 = 3337^2 + 4250^2 .
It is not a de Polignac number, because 29198069 - 224 = 12420853 is a prime.
It is a super-2 number, since 2×291980692 = 1705054466657522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29198009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394532 + ... + 394605.
It is an arithmetic number, because the mean of its divisors is an integer number (7496811).
Almost surely, 229198069 is an apocalyptic number.
It is an amenable number.
29198069 is a deficient number, since it is larger than the sum of its proper divisors (789175).
29198069 is an equidigital number, since it uses as much as digits as its factorization.
29198069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 789174.
The product of its (nonzero) digits is 69984, while the sum is 44.
The square root of 29198069 is about 5403.5237576974. The cubic root of 29198069 is about 307.9295567522.
The spelling of 29198069 in words is "twenty-nine million, one hundred ninety-eight thousand, sixty-nine".
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