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6243881 = 7891983
BaseRepresentation
bin10111110100011000101001
3102202012222212
4113310120221
53044301011
6341454505
7104033510
oct27643051
912665885
106243881
113585136
122111435
1313a8007
14b87677
1583508b
hex5f4629

6243881 has 4 divisors (see below), whose sum is σ = 7135872. Its totient is φ = 5351892.

The previous prime is 6243871. The next prime is 6243893. The reversal of 6243881 is 1883426.

6243881 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6243881 - 26 = 6243817 is a prime.

It is a super-2 number, since 2×62438812 = 77972099884322, which contains 22 as substring.

It is a Duffinian number.

6243881 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (6243871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445985 + ... + 445998.

It is an arithmetic number, because the mean of its divisors is an integer number (1783968).

Almost surely, 26243881 is an apocalyptic number.

It is an amenable number.

6243881 is a deficient number, since it is larger than the sum of its proper divisors (891991).

6243881 is an equidigital number, since it uses as much as digits as its factorization.

6243881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891990.

The product of its digits is 9216, while the sum is 32.

The square root of 6243881 is about 2498.7759003160. The cubic root of 6243881 is about 184.1414417335.

The spelling of 6243881 in words is "six million, two hundred forty-three thousand, eight hundred eighty-one".

Divisors: 1 7 891983 6243881