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444245111 = 1273497993
BaseRepresentation
bin11010011110101…
…010010001110111
31010221220222201122
4122132222101313
51402211320421
6112025414155
714003010152
oct3236522167
91127828648
10444245111
11208845a22
1210493a35b
137106343b
1443000c99
15290032ab
hex1a7aa477

444245111 has 4 divisors (see below), whose sum is σ = 447743232. Its totient is φ = 440746992.

The previous prime is 444245101. The next prime is 444245117. The reversal of 444245111 is 111542444.

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 444245111 - 218 = 443982967 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 (444245117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748870 + ... + 1749123.

It is an arithmetic number, because the mean of its divisors is an integer number (111935808).

Almost surely, 2444245111 is an apocalyptic number.

444245111 is a deficient number, since it is larger than the sum of its proper divisors (3498121).

444245111 is a wasteful number, since it uses less digits than its factorization.

444245111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498120.

The product of its digits is 2560, while the sum is 26.

The square root of 444245111 is about 21077.1229298498. The cubic root of 444245111 is about 763.0287213917.

Adding to 444245111 its reverse (111542444), we get a palindrome (555787555).

The spelling of 444245111 in words is "four hundred forty-four million, two hundred forty-five thousand, one hundred eleven".

Divisors: 1 127 3497993 444245111