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3113689 = 11712659
BaseRepresentation
bin1011111000001011011001
312212012011211
423320023121
51244114224
6150423121
735315545
oct13701331
95765154
103113689
1118373a7
121061aa1
13850327
145b0a25
15417894
hex2f82d9

3113689 has 4 divisors (see below), whose sum is σ = 3117520. Its totient is φ = 3109860.

The previous prime is 3113687. The next prime is 3113707. The reversal of 3113689 is 9863113.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3113689 - 21 = 3113687 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 3113689.

It is not an unprimeable number, because it can be changed into a prime (3113683) 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, 159 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (779380).

Almost surely, 23113689 is an apocalyptic number.

It is an amenable number.

3113689 is a deficient number, since it is larger than the sum of its proper divisors (3831).

3113689 is a wasteful number, since it uses less digits than its factorization.

3113689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its digits is 3888, while the sum is 31.

The square root of 3113689 is about 1764.5648188718. The cubic root of 3113689 is about 146.0242813184.

The spelling of 3113689 in words is "three million, one hundred thirteen thousand, six hundred eighty-nine".

Divisors: 1 1171 2659 3113689