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3968977 = 8347819
BaseRepresentation
bin1111001000111111010001
321110122102011
433020333101
52004001402
6221022521
745510235
oct17107721
97418364
103968977
112270a51
1213b4a41
13a8c70c
147545c5
15535ed7
hex3c8fd1

3968977 has 4 divisors (see below), whose sum is σ = 4016880. Its totient is φ = 3921076.

The previous prime is 3968957. The next prime is 3968981. The reversal of 3968977 is 7798693.

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 3968977 - 211 = 3966929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3968977.

It is not an unprimeable number, because it can be changed into a prime (3968917) 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, 23827 + ... + 23992.

It is an arithmetic number, because the mean of its divisors is an integer number (1004220).

Almost surely, 23968977 is an apocalyptic number.

It is an amenable number.

3968977 is a deficient number, since it is larger than the sum of its proper divisors (47903).

3968977 is an equidigital number, since it uses as much as digits as its factorization.

3968977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47902.

The product of its digits is 571536, while the sum is 49.

The square root of 3968977 is about 1992.2291534861. The cubic root of 3968977 is about 158.3286568025.

The spelling of 3968977 in words is "three million, nine hundred sixty-eight thousand, nine hundred seventy-seven".

Divisors: 1 83 47819 3968977