Base | Representation |
---|---|
bin | 1000001000000100100000 |
3 | 11000020002121 |
4 | 20020010200 |
5 | 1021131313 |
6 | 113354024 |
7 | 24051343 |
oct | 10100440 |
9 | 4006077 |
10 | 2130208 |
11 | 1225503 |
12 | 868914 |
13 | 5977a2 |
14 | 3d645a |
15 | 2c128d |
hex | 208120 |
2130208 has 12 divisors (see below), whose sum is σ = 4193910. Its totient is φ = 1065088.
The previous prime is 2130173. The next prime is 2130209. The reversal of 2130208 is 8020312.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 2108304 + 21904 = 1452^2 + 148^2 .
It is a super-2 number, since 2×21302082 = 9075572246528, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 2130191 and 2130200.
It is not an unprimeable number, because it can be changed into a prime (2130209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33253 + ... + 33316.
22130208 is an apocalyptic number.
It is an amenable number.
2130208 is a deficient number, since it is larger than the sum of its proper divisors (2063702).
2130208 is an equidigital number, since it uses as much as digits as its factorization.
2130208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66579 (or 66571 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2130208 is about 1459.5232098189. The cubic root of 2130208 is about 128.6690231372.
The spelling of 2130208 in words is "two million, one hundred thirty thousand, two hundred eight".
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