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6412889 = 7916127
BaseRepresentation
bin11000011101101001011001
3110001210211102
4120131221121
53120203024
6345241145
7105336320
oct30355131
913053742
106412889
11369010a
1221931b5
131436c12
14bcd0b7
1586a1ae
hex61da59

6412889 has 4 divisors (see below), whose sum is σ = 7329024. Its totient is φ = 5496756.

The previous prime is 6412873. The next prime is 6412897. The reversal of 6412889 is 9882146.

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 a cyclic number.

It is not a de Polignac number, because 6412889 - 24 = 6412873 is a prime.

It is a super-2 number, since 2×64128892 = 82250290652642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412589) 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, 458057 + ... + 458070.

It is an arithmetic number, because the mean of its divisors is an integer number (1832256).

Almost surely, 26412889 is an apocalyptic number.

It is an amenable number.

6412889 is a deficient number, since it is larger than the sum of its proper divisors (916135).

6412889 is an equidigital number, since it uses as much as digits as its factorization.

6412889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916134.

The product of its digits is 27648, while the sum is 38.

The square root of 6412889 is about 2532.3682591598. The cubic root of 6412889 is about 185.7881060995.

The spelling of 6412889 in words is "six million, four hundred twelve thousand, eight hundred eighty-nine".

Divisors: 1 7 916127 6412889