Base | Representation |
---|---|
bin | 111000010000… |
… | …0101010011001 |
3 | 2001111110001011 |
4 | 1300200222121 |
5 | 30022301123 |
6 | 2532053521 |
7 | 505460041 |
oct | 160405231 |
9 | 61443034 |
10 | 29493913 |
11 | 15715239 |
12 | 9a642a1 |
13 | 6158827 |
14 | 3cba721 |
15 | 28c8e0d |
hex | 1c20a99 |
29493913 has 2 divisors, whose sum is σ = 29493914. Its totient is φ = 29493912.
The previous prime is 29493911. The next prime is 29493931. The reversal of 29493913 is 31939492.
Together with next prime (29493931) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22924944 + 6568969 = 4788^2 + 2563^2 .
It is a cyclic number.
It is not a de Polignac number, because 29493913 - 21 = 29493911 is a prime.
Together with 29493911, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (29493911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14746956 + 14746957.
It is an arithmetic number, because the mean of its divisors is an integer number (14746957).
Almost surely, 229493913 is an apocalyptic number.
It is an amenable number.
29493913 is a deficient number, since it is larger than the sum of its proper divisors (1).
29493913 is an equidigital number, since it uses as much as digits as its factorization.
29493913 is an evil number, because the sum of its binary digits is even.
The product of its digits is 52488, while the sum is 40.
The square root of 29493913 is about 5430.8298629215. The cubic root of 29493913 is about 308.9660767876.
The spelling of 29493913 in words is "twenty-nine million, four hundred ninety-three thousand, nine hundred thirteen".
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