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4080931 is a prime number
BaseRepresentation
bin1111100100010100100011
321200022222121
433210110203
52021042211
6223245111
746454521
oct17442443
97608877
104080931
112338078
121449797
13acb66a
14783311
15559271
hex3e4523

4080931 has 2 divisors, whose sum is σ = 4080932. Its totient is φ = 4080930.

The previous prime is 4080911. The next prime is 4080941. The reversal of 4080931 is 1390804.

4080931 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 4080931 - 27 = 4080803 is a prime.

It is a super-2 number, since 2×40809312 = 33307995653522, which contains 22 as substring.

4080931 is a lucky number.

It is equal to p288520 and since 4080931 and 288520 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 4080896 and 4080905.

It is not a weakly prime, because it can be changed into another prime (4080911) 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 as a sum of consecutive naturals, namely, 2040465 + 2040466.

It is an arithmetic number, because the mean of its divisors is an integer number (2040466).

Almost surely, 24080931 is an apocalyptic number.

4080931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4080931 is an equidigital number, since it uses as much as digits as its factorization.

4080931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4080931 is about 2020.1314313678. The cubic root of 4080931 is about 159.8035479524.

It can be divided in two parts, 40 and 80931, that multiplied together give a triangular number (3237240 = T2544).

The spelling of 4080931 in words is "four million, eighty thousand, nine hundred thirty-one".