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144422211 = 3193137472
BaseRepresentation
bin10001001101110…
…11010101000011
3101001202102000210
420212323111003
5243433002321
622155245203
73402366003
oct1046732503
9331672023
10144422211
11745825aa
1240449803
1323bc813b
1415276003
15ca2bb76
hex89bb543

144422211 has 48 divisors (see below), whose sum is σ = 219560960. Its totient is φ = 84058560.

The previous prime is 144422209. The next prime is 144422219. The reversal of 144422211 is 112224441.

144422211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144422211 - 21 = 144422209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144422219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3072790 + ... + 3072836.

Almost surely, 2144422211 is an apocalyptic number.

144422211 is a deficient number, since it is larger than the sum of its proper divisors (75138749).

144422211 is a wasteful number, since it uses less digits than its factorization.

144422211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 137 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 144422211 is about 12017.5792487506. The cubic root of 144422211 is about 524.6600502169.

Adding to 144422211 its reverse (112224441), we get a palindrome (256646652).

It can be divided in two parts, 14442 and 2211, that added together give a triangular number (16653 = T182).

The spelling of 144422211 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred eleven".

Divisors: 1 3 19 31 37 47 57 93 111 141 589 703 893 1147 1457 1739 1767 2109 2209 2679 3441 4371 5217 6627 21793 27683 33041 41971 53909 65379 68479 81733 83049 99123 125913 161727 205437 245199 1024271 1301101 1552927 2533723 3072813 3903303 4658781 7601169 48140737 144422211