Base | Representation |
---|---|
bin | 111000000111… |
… | …0011100010111 |
3 | 2001100122200020 |
4 | 1300032130113 |
5 | 30012404122 |
6 | 2530320223 |
7 | 505026342 |
oct | 160163427 |
9 | 61318606 |
10 | 29419287 |
11 | 15674167 |
12 | 9a29073 |
13 | 6130881 |
14 | 3c9b459 |
15 | 28b1c5c |
hex | 1c0e717 |
29419287 has 4 divisors (see below), whose sum is σ = 39225720. Its totient is φ = 19612856.
The previous prime is 29419259. The next prime is 29419297. The reversal of 29419287 is 78291492.
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 29419287 - 26 = 29419223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29419237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4903212 + ... + 4903217.
It is an arithmetic number, because the mean of its divisors is an integer number (9806430).
Almost surely, 229419287 is an apocalyptic number.
29419287 is a deficient number, since it is larger than the sum of its proper divisors (9806433).
29419287 is an equidigital number, since it uses as much as digits as its factorization.
29419287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9806432.
The product of its digits is 72576, while the sum is 42.
The square root of 29419287 is about 5423.9549223791. The cubic root of 29419287 is about 308.7052729606.
The spelling of 29419287 in words is "twenty-nine million, four hundred nineteen thousand, two hundred eighty-seven".
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