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224112155 = 544822431
BaseRepresentation
bin11010101101110…
…10111000011011
3120121201002002012
431112322320123
5424333042110
634123300135
75360631131
oct1526727033
9517632065
10224112155
11105561863
126307a64b
133757a357
1421a9b751
1514a1d905
hexd5bae1b

224112155 has 4 divisors (see below), whose sum is σ = 268934592. Its totient is φ = 179289720.

The previous prime is 224112151. The next prime is 224112157. The reversal of 224112155 is 551211422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 224112155 - 22 = 224112151 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 224112155.

It is not an unprimeable number, because it can be changed into a prime (224112151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22411211 + ... + 22411220.

It is an arithmetic number, because the mean of its divisors is an integer number (67233648).

Almost surely, 2224112155 is an apocalyptic number.

224112155 is a deficient number, since it is larger than the sum of its proper divisors (44822437).

224112155 is an equidigital number, since it uses as much as digits as its factorization.

224112155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822436.

The product of its digits is 800, while the sum is 23.

The square root of 224112155 is about 14970.3759137839. The cubic root of 224112155 is about 607.4191371763.

Adding to 224112155 its reverse (551211422), we get a palindrome (775323577).

The spelling of 224112155 in words is "two hundred twenty-four million, one hundred twelve thousand, one hundred fifty-five".

Divisors: 1 5 44822431 224112155