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244161443 = 892743387
BaseRepresentation
bin11101000110110…
…01101110100011
3122000102200112102
432203121232203
51000001131233
640121121015
76023223641
oct1643315643
9560380472
10244161443
11115906119
126992916b
133b77a036
14245da191
151667e1e8
hexe8d9ba3

244161443 has 4 divisors (see below), whose sum is σ = 246904920. Its totient is φ = 241417968.

The previous prime is 244161431. The next prime is 244161451. The reversal of 244161443 is 344161442.

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

It is a cyclic number.

It is not a de Polignac number, because 244161443 - 214 = 244145059 is a prime.

It is a super-2 number, since 2×2441614432 = 119229620495684498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244163443) 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, 1371605 + ... + 1371782.

It is an arithmetic number, because the mean of its divisors is an integer number (61726230).

Almost surely, 2244161443 is an apocalyptic number.

244161443 is a deficient number, since it is larger than the sum of its proper divisors (2743477).

244161443 is an equidigital number, since it uses as much as digits as its factorization.

244161443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743476.

The product of its digits is 9216, while the sum is 29.

The square root of 244161443 is about 15625.6661617993. Note that the first 3 decimals coincide. The cubic root of 244161443 is about 625.0177641884.

Subtracting 244161443 from its reverse (344161442), we obtain a palindrome (99999999).

The spelling of 244161443 in words is "two hundred forty-four million, one hundred sixty-one thousand, four hundred forty-three".

Divisors: 1 89 2743387 244161443