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444412 = 22111103
BaseRepresentation
bin1101100011111111100
3211120121201
41230133330
5103210122
613305244
73530443
oct1543774
9746551
10444412
11283991
12195224
13127387
14b7d5a
158ba27
hex6c7fc

444412 has 6 divisors (see below), whose sum is σ = 777728. Its totient is φ = 222204.

The previous prime is 444403. The next prime is 444421. The reversal of 444412 is 214444.

It is an interprime number because it is at equal distance from previous prime (444403) and next prime (444421).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 444412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55548 + ... + 55555.

2444412 is an apocalyptic number.

It is an amenable number.

444412 is a deficient number, since it is larger than the sum of its proper divisors (333316).

444412 is a wasteful number, since it uses less digits than its factorization.

444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111107 (or 111105 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 444412 is about 666.6423328892. The cubic root of 444412 is about 76.3124258108.

Adding to 444412 its reverse (214444), we get a palindrome (658856).

The spelling of 444412 in words is "four hundred forty-four thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 111103 222206 444412