Search a number
-
+
243422103 = 381140701
BaseRepresentation
bin11101000001001…
…01001110010111
3121222001010100110
432200211032113
5444304001403
640053214103
76014024301
oct1640451627
9558033313
10243422103
111154506a1
1269631333
133b57b662
1424486971
1516585103
hexe825397

243422103 has 4 divisors (see below), whose sum is σ = 324562808. Its totient is φ = 162281400.

The previous prime is 243422089. The next prime is 243422107. The reversal of 243422103 is 301224342.

243422103 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.

It is not a de Polignac number, because 243422103 - 28 = 243421847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243422103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243422107) 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, 40570348 + ... + 40570353.

It is an arithmetic number, because the mean of its divisors is an integer number (81140702).

Almost surely, 2243422103 is an apocalyptic number.

243422103 is a deficient number, since it is larger than the sum of its proper divisors (81140705).

243422103 is an equidigital number, since it uses as much as digits as its factorization.

243422103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81140704.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243422103 is about 15601.9903537978. The cubic root of 243422103 is about 624.3862587386.

Adding to 243422103 its reverse (301224342), we get a palindrome (544646445).

The spelling of 243422103 in words is "two hundred forty-three million, four hundred twenty-two thousand, one hundred three".

Divisors: 1 3 81140701 243422103