Base | Representation |
---|---|
bin | 110111100101… |
… | …0110111010001 |
3 | 2000211120222011 |
4 | 1233022313101 |
5 | 24430024411 |
6 | 2520342521 |
7 | 502464334 |
oct | 157126721 |
9 | 60746864 |
10 | 29142481 |
11 | 154a51a5 |
12 | 9914a41 |
13 | 6064894 |
14 | 3c2861b |
15 | 2859c21 |
hex | 1bcadd1 |
29142481 has 2 divisors, whose sum is σ = 29142482. Its totient is φ = 29142480.
The previous prime is 29142469. The next prime is 29142493. The reversal of 29142481 is 18424192.
It is a balanced prime because it is at equal distance from previous prime (29142469) and next prime (29142493).
It can be written as a sum of positive squares in only one way, i.e., 23425600 + 5716881 = 4840^2 + 2391^2 .
It is a cyclic number.
It is not a de Polignac number, because 29142481 - 27 = 29142353 is a prime.
It is a super-2 number, since 2×291424812 = 1698568397670722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (29142461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571240 + 14571241.
It is an arithmetic number, because the mean of its divisors is an integer number (14571241).
Almost surely, 229142481 is an apocalyptic number.
It is an amenable number.
29142481 is a deficient number, since it is larger than the sum of its proper divisors (1).
29142481 is an equidigital number, since it uses as much as digits as its factorization.
29142481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4608, while the sum is 31.
The square root of 29142481 is about 5398.3776266578. The cubic root of 29142481 is about 307.7340179946.
The spelling of 29142481 in words is "twenty-nine million, one hundred forty-two thousand, four hundred eighty-one".
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