Search a number
-
+
2274839 = 7324977
BaseRepresentation
bin1000101011011000010111
311021120111022
420223120113
51040243324
6120431355
725223120
oct10533027
94246438
102274839
111314136
1291855b
13618578
14433047
152ee05e
hex22b617

2274839 has 4 divisors (see below), whose sum is σ = 2599824. Its totient is φ = 1949856.

The previous prime is 2274827. The next prime is 2274841. The reversal of 2274839 is 9384722.

2274839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9384722 = 24692361.

It is a cyclic number.

It is not a de Polignac number, because 2274839 - 220 = 1226263 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 29 + 221 + 7 + 4 + 8 + 311 + 9 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2274799 and 2274808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162482 + ... + 162495.

It is an arithmetic number, because the mean of its divisors is an integer number (649956).

22274839 is an apocalyptic number.

2274839 is a deficient number, since it is larger than the sum of its proper divisors (324985).

2274839 is an equidigital number, since it uses as much as digits as its factorization.

2274839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324984.

The product of its digits is 24192, while the sum is 35.

The square root of 2274839 is about 1508.2569409752. The cubic root of 2274839 is about 131.5175031037.

It can be divided in two parts, 2274 and 839, that added together give a palindrome (3113).

The spelling of 2274839 in words is "two million, two hundred seventy-four thousand, eight hundred thirty-nine".

Divisors: 1 7 324977 2274839