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444448 = 25171943
BaseRepresentation
bin1101100100000100000
3211120200001
41230200200
5103210243
613305344
73530524
oct1544040
9746601
10444448
11283a14
12195254
131273b4
14b7d84
158ba4d
hex6c820

444448 has 48 divisors (see below), whose sum is σ = 997920. Its totient is φ = 193536.

The previous prime is 444443. The next prime is 444449. The reversal of 444448 is 844444.

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

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444443) 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, 10315 + ... + 10357.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2444448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498960).

444448 is an abundant number, since it is smaller than the sum of its proper divisors (553472).

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

444448 is a wasteful number, since it uses less digits than its factorization.

444448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 81 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 444448 is about 666.6693333280. The cubic root of 444448 is about 76.3144863411.

It can be divided in two parts, 4444 and 48, that multiplied together give a palindrome (213312).

The spelling of 444448 in words is "four hundred forty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 17 19 32 34 38 43 68 76 86 136 152 172 272 304 323 344 544 608 646 688 731 817 1292 1376 1462 1634 2584 2924 3268 5168 5848 6536 10336 11696 13072 13889 23392 26144 27778 55556 111112 222224 444448