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444106533 = 31311387347
BaseRepresentation
bin11010011110001…
…000011100100101
31010221122221122010
4122132020130211
51402142402113
6112022424433
714001562143
oct3236103445
91127587563
10444106533
112087608a2
12104892119
1371015340
1442da6593
1528ec71c3
hex1a788725

444106533 has 8 divisors (see below), whose sum is σ = 637691488. Its totient is φ = 273296304.

The previous prime is 444106519. The next prime is 444106541. The reversal of 444106533 is 335601444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444106533 - 28 = 444106277 is a prime.

It is a super-2 number, since 2×4441065332 = 394461225306560178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444106533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444106573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693635 + ... + 5693712.

It is an arithmetic number, because the mean of its divisors is an integer number (79711436).

Almost surely, 2444106533 is an apocalyptic number.

It is an amenable number.

444106533 is a deficient number, since it is larger than the sum of its proper divisors (193584955).

444106533 is a wasteful number, since it uses less digits than its factorization.

444106533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387363.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 444106533 is about 21073.8352703062. The cubic root of 444106533 is about 762.9493733110.

Adding to 444106533 its reverse (335601444), we get a palindrome (779707977).

The spelling of 444106533 in words is "four hundred forty-four million, one hundred six thousand, five hundred thirty-three".

Divisors: 1 3 13 39 11387347 34162041 148035511 444106533