Base | Representation |
---|---|
bin | 111000111001… |
… | …0111101101001 |
3 | 2002010120110111 |
4 | 1301302331221 |
5 | 30114043032 |
6 | 2543214321 |
7 | 511362616 |
oct | 161627551 |
9 | 62116414 |
10 | 29831017 |
11 | 15925537 |
12 | 9ba73a1 |
13 | 62460b8 |
14 | 3d6750d |
15 | 2943c47 |
hex | 1c72f69 |
29831017 has 2 divisors, whose sum is σ = 29831018. Its totient is φ = 29831016.
The previous prime is 29831003. The next prime is 29831029. The reversal of 29831017 is 71013892.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27154521 + 2676496 = 5211^2 + 1636^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29831017 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 29831017.
It is not a weakly prime, because it can be changed into another prime (29831047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14915508 + 14915509.
It is an arithmetic number, because the mean of its divisors is an integer number (14915509).
Almost surely, 229831017 is an apocalyptic number.
It is an amenable number.
29831017 is a deficient number, since it is larger than the sum of its proper divisors (1).
29831017 is an equidigital number, since it uses as much as digits as its factorization.
29831017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 29831017 is about 5461.7778241155. Note that the first 3 decimals coincide. The cubic root of 29831017 is about 310.1387412266.
The spelling of 29831017 in words is "twenty-nine million, eight hundred thirty-one thousand, seventeen".
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