Base | Representation |
---|---|
bin | 1001101110110… |
… | …0001000010111 |
3 | 2211210112000112 |
4 | 2123230020113 |
5 | 40422004304 |
6 | 4014433235 |
7 | 1003622366 |
oct | 233541027 |
9 | 84715015 |
10 | 40813079 |
11 | 2104651a |
12 | 1180281b |
13 | 85bc968 |
14 | 55c57dd |
15 | 38b2b6e |
hex | 26ec217 |
40813079 has 2 divisors, whose sum is σ = 40813080. Its totient is φ = 40813078.
The previous prime is 40813057. The next prime is 40813093. The reversal of 40813079 is 97031804.
40813079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40813079 - 212 = 40808983 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40813049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20406539 + 20406540.
It is an arithmetic number, because the mean of its divisors is an integer number (20406540).
Almost surely, 240813079 is an apocalyptic number.
40813079 is a deficient number, since it is larger than the sum of its proper divisors (1).
40813079 is an equidigital number, since it uses as much as digits as its factorization.
40813079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 40813079 is about 6388.5114854714. The cubic root of 40813079 is about 344.2969059845.
The spelling of 40813079 in words is "forty million, eight hundred thirteen thousand, seventy-nine".
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