Base | Representation |
---|---|
bin | 1001100011000… |
… | …0100101110111 |
3 | 2210100111022011 |
4 | 2120300211313 |
5 | 40222414134 |
6 | 3550145051 |
7 | 664243015 |
oct | 230604567 |
9 | 83314264 |
10 | 40044919 |
11 | 20671382 |
12 | 114b2187 |
13 | 83b1125 |
14 | 54658b5 |
15 | 37b0264 |
hex | 2630977 |
40044919 has 2 divisors, whose sum is σ = 40044920. Its totient is φ = 40044918.
The previous prime is 40044889. The next prime is 40044931. The reversal of 40044919 is 91944004.
40044919 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 40044919 - 25 = 40044887 is a prime.
It is a super-2 number, since 2×400449192 = 3207191075433122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40044959) 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, 20022459 + 20022460.
It is an arithmetic number, because the mean of its divisors is an integer number (20022460).
Almost surely, 240044919 is an apocalyptic number.
40044919 is a deficient number, since it is larger than the sum of its proper divisors (1).
40044919 is an equidigital number, since it uses as much as digits as its factorization.
40044919 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 40044919 is about 6328.1054826860. The cubic root of 40044919 is about 342.1231587944.
The spelling of 40044919 in words is "forty million, forty-four thousand, nine hundred nineteen".
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