Base | Representation |
---|---|
bin | 100111101011110100110 |
3 | 2110001210121 |
4 | 10331132212 |
5 | 313103030 |
6 | 43512154 |
7 | 14024140 |
oct | 4753646 |
9 | 2401717 |
10 | 1300390 |
11 | 809003 |
12 | 52865a |
13 | 366b80 |
14 | 25bc90 |
15 | 1aa47a |
hex | 13d7a6 |
1300390 has 32 divisors (see below), whose sum is σ = 2882880. Its totient is φ = 411264.
The previous prime is 1300367. The next prime is 1300391. The reversal of 1300390 is 930031.
It is a happy number.
1300390 is a modest number, since divided by 390 gives 130 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1300391) by changing a digit.
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, 196 + ... + 1624.
It is an arithmetic number, because the mean of its divisors is an integer number (90090).
21300390 is an apocalyptic number.
1300390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1300390 is an abundant number, since it is smaller than the sum of its proper divisors (1582490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1300390 is a wasteful number, since it uses less digits than its factorization.
1300390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1456.
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 1300390 is about 1140.3464385879. The cubic root of 1300390 is about 109.1502011437.
The spelling of 1300390 in words is "one million, three hundred thousand, three hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •