Base | Representation |
---|---|
bin | 101010001100000011110 |
3 | 2121020100010 |
4 | 11101200132 |
5 | 323214210 |
6 | 45344050 |
7 | 14515260 |
oct | 5214036 |
9 | 2536303 |
10 | 1382430 |
11 | 864705 |
12 | 568026 |
13 | 39530a |
14 | 27db30 |
15 | 1c4920 |
hex | 15181e |
1382430 has 64 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 303744.
The previous prime is 1382419. The next prime is 1382449. The reversal of 1382430 is 342831.
It is a happy number.
It is a super-2 number, since 2×13824302 = 3822225409800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1382397 and 1382406.
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, 5977 + ... + 6203.
It is an arithmetic number, because the mean of its divisors is an integer number (61560).
21382430 is an apocalyptic number.
1382430 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 1382430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969920).
1382430 is an abundant number, since it is smaller than the sum of its proper divisors (2557410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1382430 is a wasteful number, since it uses less digits than its factorization.
1382430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1382430 is about 1175.7678342258. The cubic root of 1382430 is about 111.3989378323.
The spelling of 1382430 in words is "one million, three hundred eighty-two thousand, four hundred thirty".
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