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3144440223 = 33591973911
BaseRepresentation
bin1011101101101100…
…0101100110011111
322010010211010002000
42323123011212133
522414434041343
61240004133343
7140631205131
oct27333054637
98103733060
103144440223
111373a55531
12739097253
133b15b7922
1421b885051
151360c5ed3
hexbb6c599f

3144440223 has 16 divisors (see below), whose sum is σ = 4737388800. Its totient is φ = 2060762040.

The previous prime is 3144440213. The next prime is 3144440237. The reversal of 3144440223 is 3220444413.

It is a happy number.

It is not a de Polignac number, because 3144440223 - 28 = 3144439967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144440203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985363 + ... + 988548.

It is an arithmetic number, because the mean of its divisors is an integer number (296086800).

Almost surely, 23144440223 is an apocalyptic number.

3144440223 is a deficient number, since it is larger than the sum of its proper divisors (1592948577).

3144440223 is a wasteful number, since it uses less digits than its factorization.

3144440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973979 (or 1973973 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3144440223 is about 56075.3084966993. The cubic root of 3144440223 is about 1465.0342605957.

Adding to 3144440223 its reverse (3220444413), we get a palindrome (6364884636).

The spelling of 3144440223 in words is "three billion, one hundred forty-four million, four hundred forty thousand, two hundred twenty-three".

Divisors: 1 3 9 27 59 177 531 1593 1973911 5921733 17765199 53295597 116460749 349382247 1048146741 3144440223