Search a number
-
+
2789113 = 27710069
BaseRepresentation
bin1010101000111011111001
312020200221111
422220323321
51203222423
6135440321
732464345
oct12507371
95220844
102789113
111635558
12b260a1
13768682
14528625
153a160d
hex2a8ef9

2789113 has 4 divisors (see below), whose sum is σ = 2799460. Its totient is φ = 2778768.

The previous prime is 2789099. The next prime is 2789117. The reversal of 2789113 is 3119872.

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 589824 + 2199289 = 768^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2789113 - 25 = 2789081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2789117) 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, 4758 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (699865).

22789113 is an apocalyptic number.

It is an amenable number.

2789113 is a deficient number, since it is larger than the sum of its proper divisors (10347).

2789113 is a wasteful number, since it uses less digits than its factorization.

2789113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346.

The product of its digits is 3024, while the sum is 31.

The square root of 2789113 is about 1670.0637712375. The cubic root of 2789113 is about 140.7630613166.

The spelling of 2789113 in words is "two million, seven hundred eighty-nine thousand, one hundred thirteen".

Divisors: 1 277 10069 2789113