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3086431 = 8934679
BaseRepresentation
bin1011110001100001011111
312210210210021
423301201133
51242231211
6150053011
735143225
oct13614137
95723707
103086431
111818977
12104a167
13840aba
145a4b15
1540e771
hex2f185f

3086431 has 4 divisors (see below), whose sum is σ = 3121200. Its totient is φ = 3051664.

The previous prime is 3086423. The next prime is 3086437. The reversal of 3086431 is 1346803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1346803 = 4331321.

It is a cyclic number.

It is not a de Polignac number, because 3086431 - 23 = 3086423 is a prime.

It is a super-2 number, since 2×30864312 = 19052112635522, 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 = 3086396 and 3086405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3086437) 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, 17251 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (780300).

Almost surely, 23086431 is an apocalyptic number.

3086431 is a deficient number, since it is larger than the sum of its proper divisors (34769).

3086431 is an equidigital number, since it uses as much as digits as its factorization.

3086431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34768.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3086431 is about 1756.8241232406. The cubic root of 3086431 is about 145.5969209740.

The spelling of 3086431 in words is "three million, eighty-six thousand, four hundred thirty-one".

Divisors: 1 89 34679 3086431