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4089031 = 37910789
BaseRepresentation
bin1111100110010011000111
321200202002121
433212103013
52021322111
6223350411
746520242
oct17462307
97622077
104089031
112343171
121452407
13b0225b
14786259
1555b871
hex3e64c7

4089031 has 4 divisors (see below), whose sum is σ = 4100200. Its totient is φ = 4077864.

The previous prime is 4089017. The next prime is 4089037. The reversal of 4089031 is 1309804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4089031 - 217 = 3957959 is a prime.

It is a super-2 number, since 2×40890312 = 33440349037922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4088987 and 4089005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089037) 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 3 ways as a sum of consecutive naturals, for example, 5016 + ... + 5773.

It is an arithmetic number, because the mean of its divisors is an integer number (1025050).

Almost surely, 24089031 is an apocalyptic number.

4089031 is a deficient number, since it is larger than the sum of its proper divisors (11169).

4089031 is a wasteful number, since it uses less digits than its factorization.

4089031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168.

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

The square root of 4089031 is about 2022.1352575928. The cubic root of 4089031 is about 159.9092063004.

The spelling of 4089031 in words is "four million, eighty-nine thousand, thirty-one".

Divisors: 1 379 10789 4089031