Base | Representation |
---|---|
bin | 1001101000111… |
… | …0110000011011 |
3 | 2211002002101100 |
4 | 2122032300123 |
5 | 40322234434 |
6 | 4002322443 |
7 | 1000440345 |
oct | 232166033 |
9 | 84062340 |
10 | 40430619 |
11 | 20905139 |
12 | 11659423 |
13 | 84b7858 |
14 | 5526295 |
15 | 3839699 |
hex | 268ec1b |
40430619 has 24 divisors (see below), whose sum is σ = 61345440. Its totient is φ = 25610112.
The previous prime is 40430597. The next prime is 40430623. The reversal of 40430619 is 91603404.
40430619 is a `hidden beast` number, since 4 + 0 + 43 + 0 + 619 = 666.
40430619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 40430619 - 27 = 40430491 is a prime.
It is a super-2 number, since 2×404306192 = 3269269905446322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40430592 and 40430601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40430659) 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 in 23 ways as a sum of consecutive naturals, for example, 35247 + ... + 36375.
It is an arithmetic number, because the mean of its divisors is an integer number (2556060).
Almost surely, 240430619 is an apocalyptic number.
40430619 is a deficient number, since it is larger than the sum of its proper divisors (20914821).
40430619 is a wasteful number, since it uses less digits than its factorization.
40430619 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1331 (or 1328 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 40430619 is about 6358.5076079218. The cubic root of 40430619 is about 343.2180584088.
The spelling of 40430619 in words is "forty million, four hundred thirty thousand, six hundred nineteen".
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