Base | Representation |
---|---|
bin | 110111010111… |
… | …1011111110101 |
3 | 2000121220012121 |
4 | 1232233133311 |
5 | 24412433024 |
6 | 2514115541 |
7 | 501516463 |
oct | 156573765 |
9 | 60556177 |
10 | 29030389 |
11 | 15428a63 |
12 | 987bbb1 |
13 | 602585b |
14 | 3bd9833 |
15 | 28368e4 |
hex | 1baf7f5 |
29030389 has 4 divisors (see below), whose sum is σ = 29046924. Its totient is φ = 29013856.
The previous prime is 29030387. The next prime is 29030401. The reversal of 29030389 is 98303092.
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 3122289 + 25908100 = 1767^2 + 5090^2 .
It is a cyclic number.
It is not a de Polignac number, because 29030389 - 21 = 29030387 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29030387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5272 + ... + 9265.
It is an arithmetic number, because the mean of its divisors is an integer number (7261731).
Almost surely, 229030389 is an apocalyptic number.
It is an amenable number.
29030389 is a deficient number, since it is larger than the sum of its proper divisors (16535).
29030389 is a wasteful number, since it uses less digits than its factorization.
29030389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16534.
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 29030389 is about 5387.9856161649. The cubic root of 29030389 is about 307.3389607787.
The spelling of 29030389 in words is "twenty-nine million, thirty thousand, three hundred eighty-nine".
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