Search a number
-
+
3106213 = 11282383
BaseRepresentation
bin1011110110010110100101
312211210220221
423312112211
51243344323
6150324341
735255005
oct13662645
95753827
103106213
111831820
1210596b1
13849ac6
145ac005
1541555d
hex2f65a5

3106213 has 4 divisors (see below), whose sum is σ = 3388608. Its totient is φ = 2823820.

The previous prime is 3106199. The next prime is 3106237. The reversal of 3106213 is 3126013.

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 3106213 - 221 = 1009061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3106273) 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, 141181 + ... + 141202.

It is an arithmetic number, because the mean of its divisors is an integer number (847152).

Almost surely, 23106213 is an apocalyptic number.

It is an amenable number.

3106213 is a deficient number, since it is larger than the sum of its proper divisors (282395).

3106213 is a wasteful number, since it uses less digits than its factorization.

3106213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282394.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3106213 is about 1762.4451764523. The cubic root of 3106213 is about 145.9073190480.

The spelling of 3106213 in words is "three million, one hundred six thousand, two hundred thirteen".

Divisors: 1 11 282383 3106213