Base | Representation |
---|---|
bin | 100101100010100110010 |
3 | 2022111102101 |
4 | 10230110302 |
5 | 303331010 |
6 | 42211014 |
7 | 13312246 |
oct | 4542462 |
9 | 2274371 |
10 | 1230130 |
11 | 770240 |
12 | 4b3a6a |
13 | 340bb5 |
14 | 240426 |
15 | 19473a |
hex | 12c532 |
1230130 has 32 divisors (see below), whose sum is σ = 2472768. Its totient is φ = 436800.
The previous prime is 1230127. The next prime is 1230167. The reversal of 1230130 is 310321.
It is a Harshad number since it is a multiple of its sum of digits (10).
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, 5725 + ... + 5935.
It is an arithmetic number, because the mean of its divisors is an integer number (77274).
21230130 is an apocalyptic number.
1230130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1230130 is an abundant number, since it is smaller than the sum of its proper divisors (1242638).
1230130 is a wasteful number, since it uses less digits than its factorization.
1230130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 1230130 is about 1109.1122576187. The cubic root of 1230130 is about 107.1479015614.
Adding to 1230130 its reverse (310321), we get a palindrome (1540451).
The spelling of 1230130 in words is "one million, two hundred thirty thousand, one hundred thirty".
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