Base | Representation |
---|---|
bin | 10001010010111… |
… | …101101100101110 |
3 | 202020000212120220 |
4 | 101102331230232 |
5 | 1043241341412 |
6 | 44443352210 |
7 | 10122344304 |
oct | 2122755456 |
9 | 666025526 |
10 | 290183982 |
11 | 13988a580 |
12 | 81222666 |
13 | 48171bca |
14 | 2a77a274 |
15 | 1a72068c |
hex | 114bdb2e |
290183982 has 32 divisors (see below), whose sum is σ = 670374144. Its totient is φ = 82761600.
The previous prime is 290183981. The next prime is 290183983. The reversal of 290183982 is 289381092.
It is an interprime number because it is at equal distance from previous prime (290183981) and next prime (290183983).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (290183981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128194 + ... + 130437.
It is an arithmetic number, because the mean of its divisors is an integer number (20949192).
Almost surely, 2290183982 is an apocalyptic number.
290183982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
290183982 is an abundant number, since it is smaller than the sum of its proper divisors (380190162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290183982 is a wasteful number, since it uses less digits than its factorization.
290183982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258664.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 290183982 is about 17034.7874069505. The cubic root of 290183982 is about 662.0505418037.
The spelling of 290183982 in words is "two hundred ninety million, one hundred eighty-three thousand, nine hundred eighty-two".
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