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444499111 = 7311273
BaseRepresentation
bin11010011111101…
…000010010100111
31010222101220011001
4122133220102213
51402242432421
6112035054131
714005115530
oct3237502247
91128356131
10444499111
112089a9841
12104a41347
1371121c34
1443069687
1529053691
hex1a7e84a7

444499111 has 16 divisors (see below), whose sum is σ = 528547840. Its totient is φ = 365805720.

The previous prime is 444499087. The next prime is 444499123. The reversal of 444499111 is 111994444.

It is not a de Polignac number, because 444499111 - 213 = 444490919 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444499151) 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, 3499930 + ... + 3500056.

It is an arithmetic number, because the mean of its divisors is an integer number (33034240).

Almost surely, 2444499111 is an apocalyptic number.

444499111 is a deficient number, since it is larger than the sum of its proper divisors (84048729).

444499111 is an frugal number, since it uses more digits than its factorization.

444499111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 165 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 444499111 is about 21083.1475591288. The cubic root of 444499111 is about 763.1741158785.

The spelling of 444499111 in words is "four hundred forty-four million, four hundred ninety-nine thousand, one hundred eleven".

Divisors: 1 7 31 127 217 889 3937 16129 27559 112903 499999 2048383 3499993 14338681 63499873 444499111