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444111073 = 7193479623
BaseRepresentation
bin11010011110001…
…001100011100001
31010221200011212021
4122132021203201
51402143023243
6112022501441
714001611320
oct3236114341
91127604767
10444111073
1120876424a
12104894881
1371017423
1442da80b7
1528ec86ed
hex1a7898e1

444111073 has 16 divisors (see below), whose sum is σ = 535864320. Its totient is φ = 359554896.

The previous prime is 444111029. The next prime is 444111079. The reversal of 444111073 is 370111444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 444111073 - 221 = 442013921 is a prime.

It is a super-2 number, since 2×4441110732 = 394469290322422658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444111079) 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, 41340 + ... + 50962.

It is an arithmetic number, because the mean of its divisors is an integer number (33491520).

Almost surely, 2444111073 is an apocalyptic number.

It is an amenable number.

444111073 is a deficient number, since it is larger than the sum of its proper divisors (91753247).

444111073 is a wasteful number, since it uses less digits than its factorization.

444111073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 444111073 is about 21073.9429865415. The cubic root of 444111073 is about 762.9519731214.

The spelling of 444111073 in words is "four hundred forty-four million, one hundred eleven thousand, seventy-three".

Divisors: 1 7 19 133 347 2429 6593 9623 46151 67361 182837 1279859 3339181 23374267 63444439 444111073