Base | Representation |
---|---|
bin | 111000011100… |
… | …0010010011001 |
3 | 2001200100210011 |
4 | 1300320102121 |
5 | 30033400211 |
6 | 2534121521 |
7 | 506342131 |
oct | 160702231 |
9 | 61610704 |
10 | 29590681 |
11 | 15780a0a |
12 | 9ab02a1 |
13 | 61908a3 |
14 | 3d03ac1 |
15 | 28e7921 |
hex | 1c38499 |
29590681 has 4 divisors (see below), whose sum is σ = 29602000. Its totient is φ = 29579364.
The previous prime is 29590679. The next prime is 29590711. The reversal of 29590681 is 18609592.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 29590681 - 21 = 29590679 is a prime.
It is a super-2 number, since 2×295906812 = 1751216804087522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29590601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490 + ... + 7708.
It is an arithmetic number, because the mean of its divisors is an integer number (7400500).
Almost surely, 229590681 is an apocalyptic number.
It is an amenable number.
29590681 is a deficient number, since it is larger than the sum of its proper divisors (11319).
29590681 is an equidigital number, since it uses as much as digits as its factorization.
29590681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11318.
The product of its (nonzero) digits is 38880, while the sum is 40.
The square root of 29590681 is about 5439.7317029427. The cubic root of 29590681 is about 309.3036084768.
The spelling of 29590681 in words is "twenty-nine million, five hundred ninety thousand, six hundred eighty-one".
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