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244421111 = 111910111579
BaseRepresentation
bin11101001000110…
…01000111110111
3122000220212201202
432210121013313
51000032433421
640130443115
76025354664
oct1644310767
9560825652
10244421111
11115a73220
1269a3349b
133b83b29c
1424666a6b
15166d110b
hexe9191f7

244421111 has 16 divisors (see below), whose sum is σ = 283478400. Its totient is φ = 208404000.

The previous prime is 244421101. The next prime is 244421113. The reversal of 244421111 is 111124442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244421111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244421113) 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, 15320 + ... + 26898.

It is an arithmetic number, because the mean of its divisors is an integer number (17717400).

Almost surely, 2244421111 is an apocalyptic number.

244421111 is a deficient number, since it is larger than the sum of its proper divisors (39057289).

244421111 is a wasteful number, since it uses less digits than its factorization.

244421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710.

The product of its digits is 256, while the sum is 20.

The square root of 244421111 is about 15633.9729755427. The cubic root of 244421111 is about 625.2392564518.

Adding to 244421111 its reverse (111124442), we get a palindrome (355545553).

The spelling of 244421111 in words is "two hundred forty-four million, four hundred twenty-one thousand, one hundred eleven".

Divisors: 1 11 19 101 209 1111 1919 11579 21109 127369 220001 1169479 2420011 12864269 22220101 244421111