Base | Representation |
---|---|
bin | 101110100011… |
… | …001011101010 |
3 | 211221221222222 |
4 | 232203023222 |
5 | 11110441410 |
6 | 1113314042 |
7 | 205502321 |
oct | 56431352 |
9 | 24857888 |
10 | 12202730 |
11 | 6985101 |
12 | 4105922 |
13 | 26b3367 |
14 | 18990b8 |
15 | 1110955 |
hex | ba32ea |
12202730 has 16 divisors (see below), whose sum is σ = 22005000. Its totient is φ = 4872192.
The previous prime is 12202709. The next prime is 12202733. The reversal of 12202730 is 3720221.
It can be written as a sum of positive squares in 4 ways, for example, as 11485321 + 717409 = 3389^2 + 847^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12202699 and 12202708.
It is not an unprimeable number, because it can be changed into a prime (12202733) 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 7 ways as a sum of consecutive naturals, for example, 9146 + ... + 10394.
Almost surely, 212202730 is an apocalyptic number.
12202730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12202730 is a deficient number, since it is larger than the sum of its proper divisors (9802270).
12202730 is a wasteful number, since it uses less digits than its factorization.
12202730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2233.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 12202730 is about 3493.2406158179. The cubic root of 12202730 is about 230.2249217496.
Adding to 12202730 its reverse (3720221), we get a palindrome (15922951).
The spelling of 12202730 in words is "twelve million, two hundred two thousand, seven hundred thirty".
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