Base | Representation |
---|---|
bin | 1000110110011101110 |
3 | 112201211212 |
4 | 1012303232 |
5 | 33240110 |
6 | 10114422 |
7 | 2315366 |
oct | 1066356 |
9 | 481755 |
10 | 290030 |
11 | 1889a4 |
12 | 11ba12 |
13 | a2020 |
14 | 779a6 |
15 | 5ae05 |
hex | 46cee |
290030 has 32 divisors (see below), whose sum is σ = 592704. Its totient is φ = 101376.
The previous prime is 290027. The next prime is 290033. The reversal of 290030 is 30092.
290030 = T55 + T56 + ... + T123.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (290027) and next prime (290033).
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 289987 and 290014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (290033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2942 + ... + 3038.
It is an arithmetic number, because the mean of its divisors is an integer number (18522).
2290030 is an apocalyptic number.
290030 is an abundant number, since it is smaller than the sum of its proper divisors (302674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290030 is a wasteful number, since it uses less digits than its factorization.
290030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 290030 is about 538.5443342938. The cubic root of 290030 is about 66.1933418519.
The spelling of 290030 in words is "two hundred ninety thousand, thirty".
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