Search a number
-
+
3439813 = 13264601
BaseRepresentation
bin1101000111110011000101
320110202112111
431013303011
51340033223
6201421021
741144416
oct15076305
96422474
103439813
111a3a423
12119a771
139358c0
1465780d
1547e30d
hex347cc5

3439813 has 4 divisors (see below), whose sum is σ = 3704428. Its totient is φ = 3175200.

The previous prime is 3439801. The next prime is 3439823. The reversal of 3439813 is 3189343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 2362369 = 1038^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 3439813 - 25 = 3439781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439823) 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, 132288 + ... + 132313.

It is an arithmetic number, because the mean of its divisors is an integer number (926107).

Almost surely, 23439813 is an apocalyptic number.

It is an amenable number.

3439813 is a deficient number, since it is larger than the sum of its proper divisors (264615).

3439813 is a wasteful number, since it uses less digits than its factorization.

3439813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264614.

The product of its digits is 7776, while the sum is 31.

The square root of 3439813 is about 1854.6732865925. The cubic root of 3439813 is about 150.9541108747.

The spelling of 3439813 in words is "three million, four hundred thirty-nine thousand, eight hundred thirteen".

Divisors: 1 13 264601 3439813