Base | Representation |
---|---|
bin | 101011000010011… |
… | …0100100011100100 |
3 | 10201122100002211220 |
4 | 1112010310203210 |
5 | 10424142320140 |
6 | 355144100340 |
7 | 50533453653 |
oct | 12604644344 |
9 | 3648302756 |
10 | 1444104420 |
11 | 681183030 |
12 | 3437646b0 |
13 | 1a0251575 |
14 | d9b1319a |
15 | 86ba7bd0 |
hex | 561348e4 |
1444104420 has 48 divisors (see below), whose sum is σ = 4411084608. Its totient is φ = 350085760.
The previous prime is 1444104407. The next prime is 1444104461. The reversal of 1444104420 is 244014441.
It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 1093359 + ... + 1094678.
It is an arithmetic number, because the mean of its divisors is an integer number (91897596).
Almost surely, 21444104420 is an apocalyptic number.
1444104420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1444104420 is an abundant number, since it is smaller than the sum of its proper divisors (2966980188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1444104420 is a wasteful number, since it uses less digits than its factorization.
1444104420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2188060 (or 2188058 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
The square root of 1444104420 is about 38001.3739225307. The cubic root of 1444104420 is about 1130.3151077781.
Adding to 1444104420 its reverse (244014441), we get a palindrome (1688118861).
The spelling of 1444104420 in words is "one billion, four hundred forty-four million, one hundred four thousand, four hundred twenty".
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