Base | Representation |
---|---|
bin | 111000001111… |
… | …1100100010101 |
3 | 2001111012220002 |
4 | 1300133210111 |
5 | 30022130204 |
6 | 2532021045 |
7 | 505441004 |
oct | 160374425 |
9 | 61435802 |
10 | 29489429 |
11 | 15711932 |
12 | 9a61785 |
13 | 6156788 |
14 | 3cb8c3b |
15 | 28c791e |
hex | 1c1f915 |
29489429 has 2 divisors, whose sum is σ = 29489430. Its totient is φ = 29489428.
The previous prime is 29489423. The next prime is 29489431. The reversal of 29489429 is 92498492.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23990404 + 5499025 = 4898^2 + 2345^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29489429 is a prime.
Together with 29489431, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29489423) 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 as a sum of consecutive naturals, namely, 14744714 + 14744715.
It is an arithmetic number, because the mean of its divisors is an integer number (14744715).
Almost surely, 229489429 is an apocalyptic number.
It is an amenable number.
29489429 is a deficient number, since it is larger than the sum of its proper divisors (1).
29489429 is an equidigital number, since it uses as much as digits as its factorization.
29489429 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 373248, while the sum is 47.
The square root of 29489429 is about 5430.4170189775. The cubic root of 29489429 is about 308.9504184820.
It can be divided in two parts, 294 and 89429, that multiplied together give a triangular number (26292126 = T7251).
The spelling of 29489429 in words is "twenty-nine million, four hundred eighty-nine thousand, four hundred twenty-nine".
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