Search a number
-
+
7113389 = 16094421
BaseRepresentation
bin11011001000101010101101
3111101101201212
4123020222231
53310112024
6412244205
7114314513
oct33105255
914341655
107113389
114019438
122470665
131620a0a
14d324b3
15957a0e
hex6c8aad

7113389 has 4 divisors (see below), whose sum is σ = 7119420. Its totient is φ = 7107360.

The previous prime is 7113383. The next prime is 7113437. The reversal of 7113389 is 9833117.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6543364 + 570025 = 2558^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 7113389 - 24 = 7113373 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 (7113383) 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, 602 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (1779855).

Almost surely, 27113389 is an apocalyptic number.

It is an amenable number.

7113389 is a deficient number, since it is larger than the sum of its proper divisors (6031).

7113389 is a wasteful number, since it uses less digits than its factorization.

7113389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030.

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

The square root of 7113389 is about 2667.0937366354. The cubic root of 7113389 is about 192.3204735423.

The spelling of 7113389 in words is "seven million, one hundred thirteen thousand, three hundred eighty-nine".

Divisors: 1 1609 4421 7113389