Base | Representation |
---|---|
bin | 110111101011… |
… | …0001110011111 |
3 | 2000220221210221 |
4 | 1233112032133 |
5 | 24433022043 |
6 | 2521342211 |
7 | 503050123 |
oct | 157261637 |
9 | 60827727 |
10 | 29189023 |
11 | 15527166 |
12 | 9937967 |
13 | 607cb16 |
14 | 3c3b583 |
15 | 28688ed |
hex | 1bd639f |
29189023 has 4 divisors (see below), whose sum is σ = 29600208. Its totient is φ = 28777840.
The previous prime is 29189009. The next prime is 29189033. The reversal of 29189023 is 32098192.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 29189023 - 213 = 29180831 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 29189023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29189003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205486 + ... + 205627.
It is an arithmetic number, because the mean of its divisors is an integer number (7400052).
Almost surely, 229189023 is an apocalyptic number.
29189023 is a deficient number, since it is larger than the sum of its proper divisors (411185).
29189023 is an equidigital number, since it uses as much as digits as its factorization.
29189023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 411184.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 29189023 is about 5402.6866464751. The cubic root of 29189023 is about 307.8977530681.
The spelling of 29189023 in words is "twenty-nine million, one hundred eighty-nine thousand, twenty-three".
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