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6868977 = 32289659
BaseRepresentation
bin11010001100111111110001
3110220222110120
4122030333301
53224301402
6403120453
7112246113
oct32147761
913828416
106868977
113971845
122373129
1315666ab
14cab3b3
1590a3bc
hex68cff1

6868977 has 4 divisors (see below), whose sum is σ = 9158640. Its totient is φ = 4579316.

The previous prime is 6868921. The next prime is 6868987. The reversal of 6868977 is 7798686.

It is a happy number.

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 6868977 - 26 = 6868913 is a prime.

It is a D-number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6868987) 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, 1144827 + ... + 1144832.

It is an arithmetic number, because the mean of its divisors is an integer number (2289660).

Almost surely, 26868977 is an apocalyptic number.

It is an amenable number.

6868977 is a deficient number, since it is larger than the sum of its proper divisors (2289663).

6868977 is a wasteful number, since it uses less digits than its factorization.

6868977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289662.

The product of its digits is 1016064, while the sum is 51.

The square root of 6868977 is about 2620.8733277288. The cubic root of 6868977 is about 190.0920790992.

The spelling of 6868977 in words is "six million, eight hundred sixty-eight thousand, nine hundred seventy-seven".

Divisors: 1 3 2289659 6868977