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444000 = 2535337
BaseRepresentation
bin1101100011001100000
3211120001110
41230121200
5103202000
613303320
73526314
oct1543140
9746043
10444000
11283647
12194b40
1312712b
14b7b44
158b850
hex6c660

444000 has 96 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 115200.

The previous prime is 443999. The next prime is 444001. The reversal of 444000 is 444.

It is an interprime number because it is at equal distance from previous prime (443999) and next prime (444001).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444001) 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, 11982 + ... + 12018.

It is an arithmetic number, because the mean of its divisors is an integer number (15561).

2444000 is an apocalyptic number.

444000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746928).

444000 is an abundant number, since it is smaller than the sum of its proper divisors (1049856).

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

444000 is a wasteful number, since it uses less digits than its factorization.

444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 444000 is about 666.3332499583. Note that the first 3 decimals coincide. The cubic root of 444000 is about 76.2888362585.

Adding to 444000 its reverse (444), we get a palindrome (444444).

Subtracting from 444000 its reverse (444), we obtain a square (443556 = 6662).

444000 divided by its reverse (444) gives a cube (1000 = 103).

The spelling of 444000 in words is "four hundred forty-four thousand", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 37 40 48 50 60 74 75 80 96 100 111 120 125 148 150 160 185 200 222 240 250 296 300 370 375 400 444 480 500 555 592 600 740 750 800 888 925 1000 1110 1184 1200 1480 1500 1776 1850 2000 2220 2400 2775 2960 3000 3552 3700 4000 4440 4625 5550 5920 6000 7400 8880 9250 11100 12000 13875 14800 17760 18500 22200 27750 29600 37000 44400 55500 74000 88800 111000 148000 222000 444000