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223142113 = 239701831
BaseRepresentation
bin11010100110011…
…10000011100001
3120112212210102201
431103032003201
5424111021423
634050413201
75346451045
oct1523160341
9515783381
10223142113
11104a59a77
1262891201
13372ca96c
14218c8025
15148cb2ad
hexd4ce0e1

223142113 has 4 divisors (see below), whose sum is σ = 232843968. Its totient is φ = 213440260.

The previous prime is 223142107. The next prime is 223142173. The reversal of 223142113 is 311241322.

It is a happy number.

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 223142113 - 25 = 223142081 is a prime.

It is a super-3 number, since 3×2231421133 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223142173) 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, 4850893 + ... + 4850938.

It is an arithmetic number, because the mean of its divisors is an integer number (58210992).

Almost surely, 2223142113 is an apocalyptic number.

223142113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

223142113 is a deficient number, since it is larger than the sum of its proper divisors (9701855).

223142113 is an equidigital number, since it uses as much as digits as its factorization.

223142113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701854.

The product of its digits is 288, while the sum is 19.

The square root of 223142113 is about 14937.9420604044. The cubic root of 223142113 is about 606.5414899257.

Adding to 223142113 its reverse (311241322), we get a palindrome (534383435).

It can be divided in two parts, 2231 and 42113, that added together give a palindrome (44344).

The spelling of 223142113 in words is "two hundred twenty-three million, one hundred forty-two thousand, one hundred thirteen".

Divisors: 1 23 9701831 223142113