Base | Representation |
---|---|
bin | 101011000010101… |
… | …0001010101111100 |
3 | 10201122120002121000 |
4 | 1112011101111330 |
5 | 10424210103312 |
6 | 355150410300 |
7 | 50534454510 |
oct | 12605212574 |
9 | 3648502530 |
10 | 1444222332 |
11 | 681253683 |
12 | 343800990 |
13 | 1a0293137 |
14 | d9b44140 |
15 | 86bccadc |
hex | 5615157c |
1444222332 has 96 divisors (see below), whose sum is σ = 4394915840. Its totient is φ = 401474880.
The previous prime is 1444222321. The next prime is 1444222343. The reversal of 1444222332 is 2332224441.
1444222332 is a `hidden beast` number, since 1 + 4 + 4 + 422 + 233 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (1444222321) and next prime (1444222343).
It is a super-3 number, since 3×14442223323 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 1444222296 and 1444222305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2157 + ... + 53787.
Almost surely, 21444222332 is an apocalyptic number.
1444222332 is a gapful number since it is divisible by the number (12) 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 1444222332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197457920).
1444222332 is an abundant number, since it is smaller than the sum of its proper divisors (2950693508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1444222332 is a wasteful number, since it uses less digits than its factorization.
1444222332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51688 (or 51680 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 1444222332 is about 38002.9253084549. The cubic root of 1444222332 is about 1130.3458705785.
Adding to 1444222332 its reverse (2332224441), we get a palindrome (3776446773).
The spelling of 1444222332 in words is "one billion, four hundred forty-four million, two hundred twenty-two thousand, three hundred thirty-two".
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