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444492 = 223212347
BaseRepresentation
bin1101100100001001100
3211120201200
41230201030
5103210432
613305500
73530616
oct1544114
9746650
10444492
11283a54
12195290
13127419
14b7db6
158ba7c
hex6c84c

444492 has 18 divisors (see below), whose sum is σ = 1123668. Its totient is φ = 148152.

The previous prime is 444487. The next prime is 444517. The reversal of 444492 is 294444.

444492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444492.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6138 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (62426).

2444492 is an apocalyptic number.

It is an amenable number.

444492 is an abundant number, since it is smaller than the sum of its proper divisors (679176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444492 is a wasteful number, since it uses less digits than its factorization.

444492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357 (or 12352 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 444492 is about 666.7023323793. The cubic root of 444492 is about 76.3170046159.

The spelling of 444492 in words is "four hundred forty-four thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 12347 24694 37041 49388 74082 111123 148164 222246 444492