Base | Representation |
---|---|
bin | 100111100111100110110 |
3 | 2102221211121 |
4 | 10330330312 |
5 | 313020410 |
6 | 43454154 |
7 | 14014633 |
oct | 4747466 |
9 | 2387747 |
10 | 1298230 |
11 | 80741a |
12 | 52735a |
13 | 365bab |
14 | 25b18a |
15 | 1a99da |
hex | 13cf36 |
1298230 has 16 divisors (see below), whose sum is σ = 2352240. Its totient is φ = 515872.
The previous prime is 1298221. The next prime is 1298261. The reversal of 1298230 is 328921.
It is a super-2 number, since 2×12982302 = 3370802265800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1298195 and 1298204.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1641 + ... + 2299.
It is an arithmetic number, because the mean of its divisors is an integer number (147015).
21298230 is an apocalyptic number.
1298230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1298230 is a deficient number, since it is larger than the sum of its proper divisors (1054010).
1298230 is a wasteful number, since it uses less digits than its factorization.
1298230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 863.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 1298230 is about 1139.3989643667. The cubic root of 1298230 is about 109.0897333627.
The spelling of 1298230 in words is "one million, two hundred ninety-eight thousand, two hundred thirty".
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