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4444554443 = 717122330539
BaseRepresentation
bin1000010001110101…
…01000010011001011
3102110202012202111112
410020322220103023
533100301220233
62013010120535
7215066042450
oct41072502313
912422182445
104444554443
11198092059a
12a4058014b
1355aa62894
143023d5827
151b02da048
hex108ea84cb

4444554443 has 16 divisors (see below), whose sum is σ = 5382858240. Its totient is φ = 3582473856.

The previous prime is 4444554397. The next prime is 4444554451. The reversal of 4444554443 is 3444554444.

It is a cyclic number.

It is not a de Polignac number, because 4444554443 - 26 = 4444554379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4444554443.

It is not an unprimeable number, because it can be changed into a prime (4444554463) 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, 130268 + ... + 160806.

It is an arithmetic number, because the mean of its divisors is an integer number (336428640).

Almost surely, 24444554443 is an apocalyptic number.

4444554443 is a deficient number, since it is larger than the sum of its proper divisors (938303797).

4444554443 is a wasteful number, since it uses less digits than its factorization.

4444554443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31786.

The product of its digits is 1228800, while the sum is 41.

The square root of 4444554443 is about 66667.4916507288. The cubic root of 4444554443 is about 1644.1549467634.

Subtracting from 4444554443 its reverse (3444554444), we obtain a palindrome (999999999).

The spelling of 4444554443 in words is "four billion, four hundred forty-four million, five hundred fifty-four thousand, four hundred forty-three".

Divisors: 1 7 17 119 1223 8561 20791 30539 145537 213773 519163 3634141 37349197 261444379 634936349 4444554443