Base | Representation |
---|---|
bin | 1001000100010000010 |
3 | 120002112100 |
4 | 1020202002 |
5 | 34001330 |
6 | 10211230 |
7 | 2345103 |
oct | 1104202 |
9 | 502470 |
10 | 297090 |
11 | 193232 |
12 | 123b16 |
13 | a52c1 |
14 | 7a3aa |
15 | 5d060 |
hex | 48882 |
297090 has 24 divisors (see below), whose sum is σ = 772668. Its totient is φ = 79200.
The previous prime is 297083. The next prime is 297097. The reversal of 297090 is 90792.
It is an interprime number because it is at equal distance from previous prime (297083) and next prime (297097).
It can be written as a sum of positive squares in 2 ways, for example, as 281961 + 15129 = 531^2 + 123^2 .
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 297090.
It is not an unprimeable number, because it can be changed into a prime (297097) by changing a digit.
297090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1561 + ... + 1740.
2297090 is an apocalyptic number.
297090 is an abundant number, since it is smaller than the sum of its proper divisors (475578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297090 is a wasteful number, since it uses less digits than its factorization.
297090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3314 (or 3311 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 27.
The square root of 297090 is about 545.0596297654. The cubic root of 297090 is about 66.7261413701.
The spelling of 297090 in words is "two hundred ninety-seven thousand, ninety".
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