Base | Representation |
---|---|
bin | 110111100011… |
… | …1110110100101 |
3 | 2000210222001102 |
4 | 1233013312211 |
5 | 24424131044 |
6 | 2520205445 |
7 | 502413356 |
oct | 157076645 |
9 | 60728042 |
10 | 29130149 |
11 | 15496a04 |
12 | 9909885 |
13 | 605c099 |
14 | 3c23d2d |
15 | 285624e |
hex | 1bc7da5 |
29130149 has 2 divisors, whose sum is σ = 29130150. Its totient is φ = 29130148.
The previous prime is 29130109. The next prime is 29130161. The reversal of 29130149 is 94103192.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21390625 + 7739524 = 4625^2 + 2782^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29130149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29130109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14565074 + 14565075.
It is an arithmetic number, because the mean of its divisors is an integer number (14565075).
Almost surely, 229130149 is an apocalyptic number.
It is an amenable number.
29130149 is a deficient number, since it is larger than the sum of its proper divisors (1).
29130149 is an equidigital number, since it uses as much as digits as its factorization.
29130149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 29130149 is about 5397.2353107864. The cubic root of 29130149 is about 307.6906047229.
The spelling of 29130149 in words is "twenty-nine million, one hundred thirty thousand, one hundred forty-nine".
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