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1444434111 = 32491326869
BaseRepresentation
bin101011000011000…
…0101000010111111
310201122221212002200
41112012011002333
510424233342421
6355155122543
750536326111
oct12606050277
93648855080
101444434111
116813887aa
123438a3453
131a0338653
14d9b9b3b1
1586c20726
hex561850bf

1444434111 has 12 divisors (see below), whose sum is σ = 2090660520. Its totient is φ = 960991920.

The previous prime is 1444434091. The next prime is 1444434149. The reversal of 1444434111 is 1114344441.

It is not a de Polignac number, because 1444434111 - 210 = 1444433087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444434151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159016 + ... + 167853.

It is an arithmetic number, because the mean of its divisors is an integer number (174221710).

Almost surely, 21444434111 is an apocalyptic number.

1444434111 is a deficient number, since it is larger than the sum of its proper divisors (646226409).

1444434111 is a wasteful number, since it uses less digits than its factorization.

1444434111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327366 (or 327363 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1444434111 is about 38005.7115576067. The cubic root of 1444434111 is about 1130.4011187243.

Adding to 1444434111 its reverse (1114344441), we get a palindrome (2558778552).

The spelling of 1444434111 in words is "one billion, four hundred forty-four million, four hundred thirty-four thousand, one hundred eleven".

Divisors: 1 3 9 491 1473 4419 326869 980607 2941821 160492679 481478037 1444434111