Search a number
-
+
224312329 = 407355073
BaseRepresentation
bin11010101111010…
…11110000001001
3120122002020200001
431113223300021
5424410443304
634131443001
75362423543
oct1527536011
9518066601
10224312329
1110568919a
1263156461
133761a4b7
1421b10693
1514a5cda4
hexd5ebc09

224312329 has 4 divisors (see below), whose sum is σ = 224371476. Its totient is φ = 224253184.

The previous prime is 224312327. The next prime is 224312351. The reversal of 224312329 is 923213422.

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 122766400 + 101545929 = 11080^2 + 10077^2 .

It is a cyclic number.

It is not a de Polignac number, because 224312329 - 21 = 224312327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224312297 and 224312306.

It is not an unprimeable number, because it can be changed into a prime (224312321) 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, 23464 + ... + 31609.

It is an arithmetic number, because the mean of its divisors is an integer number (56092869).

Almost surely, 2224312329 is an apocalyptic number.

It is an amenable number.

224312329 is a deficient number, since it is larger than the sum of its proper divisors (59147).

224312329 is an equidigital number, since it uses as much as digits as its factorization.

224312329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59146.

The product of its digits is 5184, while the sum is 28.

The square root of 224312329 is about 14977.0600920207. The cubic root of 224312329 is about 607.5999295949.

The spelling of 224312329 in words is "two hundred twenty-four million, three hundred twelve thousand, three hundred twenty-nine".

Divisors: 1 4073 55073 224312329