Base | Representation |
---|---|
bin | 101010101001100… |
… | …1110101110111100 |
3 | 10200201212122020022 |
4 | 1111103032232330 |
5 | 10412330320234 |
6 | 354001311312 |
7 | 50315121110 |
oct | 12523165674 |
9 | 3621778208 |
10 | 1431104444 |
11 | 674903a50 |
12 | 33b335538 |
13 | 19a64c383 |
14 | d80cb740 |
15 | 8598ae2e |
hex | 554cebbc |
1431104444 has 48 divisors (see below), whose sum is σ = 3128025600. Its totient is φ = 556570560.
The previous prime is 1431104431. The next prime is 1431104449. The reversal of 1431104444 is 4444011341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1431104449) 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, 180614 + ... + 188370.
It is an arithmetic number, because the mean of its divisors is an integer number (65167200).
Almost surely, 21431104444 is an apocalyptic number.
1431104444 is a gapful number since it is divisible by the number (14) 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 1431104444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564012800).
1431104444 is an abundant number, since it is smaller than the sum of its proper divisors (1696921156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431104444 is a wasteful number, since it uses less digits than its factorization.
1431104444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8378 (or 8376 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
The square root of 1431104444 is about 37829.9411048973. The cubic root of 1431104444 is about 1126.9131414980.
Adding to 1431104444 its reverse (4444011341), we get a palindrome (5875115785).
The spelling of 1431104444 in words is "one billion, four hundred thirty-one million, one hundred four thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •