Search a number
-
+
3113897 is a prime number
BaseRepresentation
bin1011111000001110101001
312212012110112
423320032221
51244121042
6150424105
735316263
oct13701651
95765415
103113897
111837576
121062035
13850457
145b0b33
15417982
hex2f83a9

3113897 has 2 divisors, whose sum is σ = 3113898. Its totient is φ = 3113896.

The previous prime is 3113893. The next prime is 3113899. The reversal of 3113897 is 7983113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 72361 = 1744^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113897 - 22 = 3113893 is a prime.

Together with 3113899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3113893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556948 + 1556949.

It is an arithmetic number, because the mean of its divisors is an integer number (1556949).

Almost surely, 23113897 is an apocalyptic number.

It is an amenable number.

3113897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113897 is an equidigital number, since it uses as much as digits as its factorization.

3113897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 3113897 is about 1764.6237559321. The cubic root of 3113897 is about 146.0275328071.

The spelling of 3113897 in words is "three million, one hundred thirteen thousand, eight hundred ninety-seven".