Search a number
-
+
3811313 = 11421823
BaseRepresentation
bin1110100010011111110001
321011122010202
432202133301
51433430223
6213404545
744252462
oct16423761
97148122
103811313
112173550
121339755
13a35a1c
14712d69
15504428
hex3a27f1

3811313 has 8 divisors (see below), whose sum is σ = 4172736. Its totient is φ = 3452400.

The previous prime is 3811303. The next prime is 3811321. The reversal of 3811313 is 3131183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3811313 - 28 = 3811057 is a prime.

It is a super-2 number, since 2×38113132 = 29052213567938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3811303) 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 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (521592).

Almost surely, 23811313 is an apocalyptic number.

It is an amenable number.

3811313 is a deficient number, since it is larger than the sum of its proper divisors (361423).

3811313 is a wasteful number, since it uses less digits than its factorization.

3811313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its digits is 216, while the sum is 20.

The square root of 3811313 is about 1952.2584357610. The cubic root of 3811313 is about 156.2037798223.

Adding to 3811313 its reverse (3131183), we get a palindrome (6942496).

The spelling of 3811313 in words is "three million, eight hundred eleven thousand, three hundred thirteen".

Divisors: 1 11 421 823 4631 9053 346483 3811313