Search a number
-
+
2234389 = 5937871
BaseRepresentation
bin1000100001100000010101
311012112000011
420201200111
51033000024
6115520221
724664153
oct10414025
94175004
102234389
111296803
128b9071
13603031
144223d3
152e2094
hex221815

2234389 has 4 divisors (see below), whose sum is σ = 2272320. Its totient is φ = 2196460.

The previous prime is 2234341. The next prime is 2234417. The reversal of 2234389 is 9834322.

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 2234389 - 27 = 2234261 is a prime.

It is a d-powerful number, because it can be written as 211 + 217 + 3 + 46 + 32 + 87 + 9 .

It is a Duffinian number.

2234389 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2234389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18877 + ... + 18994.

It is an arithmetic number, because the mean of its divisors is an integer number (568080).

22234389 is an apocalyptic number.

It is an amenable number.

2234389 is a deficient number, since it is larger than the sum of its proper divisors (37931).

2234389 is an equidigital number, since it uses as much as digits as its factorization.

2234389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37930.

The product of its digits is 10368, while the sum is 31.

The square root of 2234389 is about 1494.7872758356. The cubic root of 2234389 is about 130.7333113395.

The spelling of 2234389 in words is "two million, two hundred thirty-four thousand, three hundred eighty-nine".

Divisors: 1 59 37871 2234389