Base | Representation |
---|---|
bin | 101001010000011… |
… | …0000100001101000 |
3 | 10120110211200210001 |
4 | 1102200300201220 |
5 | 10313341202310 |
6 | 345210432344 |
7 | 46206342454 |
oct | 12240604150 |
9 | 3513750701 |
10 | 1384319080 |
11 | 650459461 |
12 | 3277326b4 |
13 | 190a4b221 |
14 | d1bcd664 |
15 | 817e893a |
hex | 52830868 |
1384319080 has 64 divisors (see below), whose sum is σ = 3198016080. Its totient is φ = 538982400.
The previous prime is 1384319071. The next prime is 1384319099. The reversal of 1384319080 is 809134831.
It can be written as a sum of positive squares in 8 ways, for example, as 532963396 + 851355684 = 23086^2 + 29178^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083402 + ... + 1084678.
Almost surely, 21384319080 is an apocalyptic number.
1384319080 is a gapful number since it is divisible by the number (10) 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 1384319080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599008040).
1384319080 is an abundant number, since it is smaller than the sum of its proper divisors (1813697000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1384319080 is a wasteful number, since it uses less digits than its factorization.
1384319080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1990 (or 1986 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 1384319080 is about 37206.4386900977. The cubic root of 1384319080 is about 1114.4965666858.
It can be divided in two parts, 13843 and 19080, that added together give a palindrome (32923).
The spelling of 1384319080 in words is "one billion, three hundred eighty-four million, three hundred nineteen thousand, eighty".
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