Base | Representation |
---|---|
bin | 100111101100000110010 |
3 | 2110001222210 |
4 | 10331200302 |
5 | 313104110 |
6 | 43512550 |
7 | 14024430 |
oct | 4754062 |
9 | 2401883 |
10 | 1300530 |
11 | 809120 |
12 | 528756 |
13 | 366c5a |
14 | 25bd50 |
15 | 1aa520 |
hex | 13d832 |
1300530 has 64 divisors (see below), whose sum is σ = 3898368. Its totient is φ = 269760.
The previous prime is 1300511. The next prime is 1300553. The reversal of 1300530 is 350031.
1300530 = 182 + 192 + ... + 1572.
It is a happy number.
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, 2029 + ... + 2591.
It is an arithmetic number, because the mean of its divisors is an integer number (60912).
21300530 is an apocalyptic number.
1300530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1300530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949184).
1300530 is an abundant number, since it is smaller than the sum of its proper divisors (2597838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1300530 is a wasteful number, since it uses less digits than its factorization.
1300530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591.
The product of its (nonzero) digits is 45, while the sum is 12.
The square root of 1300530 is about 1140.4078217901. The cubic root of 1300530 is about 109.1541180404.
Adding to 1300530 its reverse (350031), we get a palindrome (1650561).
It can be divided in two parts, 1300 and 530, that added together give a triangular number (1830 = T60).
The spelling of 1300530 in words is "one million, three hundred thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •