Base | Representation |
---|---|
bin | 11100011000011… |
… | …11011100110001 |
3 | 121121000020010101 |
4 | 32030033130301 |
5 | 441422340113 |
6 | 35343032401 |
7 | 5620506016 |
oct | 1614173461 |
9 | 547006111 |
10 | 238090033 |
11 | 112439625 |
12 | 6789b701 |
13 | 3a43269c |
14 | 2389970d |
15 | 15d802dd |
hex | e30f731 |
238090033 has 4 divisors (see below), whose sum is σ = 238255348. Its totient is φ = 237924720.
The previous prime is 238090019. The next prime is 238090037. The reversal of 238090033 is 330090832.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 117353889 + 120736144 = 10833^2 + 10988^2 .
It is a cyclic number.
It is not a de Polignac number, because 238090033 - 25 = 238090001 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 238089983 and 238090010.
It is not an unprimeable number, because it can be changed into a prime (238090037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80478 + ... + 83383.
It is an arithmetic number, because the mean of its divisors is an integer number (59563837).
Almost surely, 2238090033 is an apocalyptic number.
It is an amenable number.
238090033 is a deficient number, since it is larger than the sum of its proper divisors (165315).
238090033 is a wasteful number, since it uses less digits than its factorization.
238090033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165314.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 238090033 is about 15430.1663309246. The cubic root of 238090033 is about 619.7935776568.
The spelling of 238090033 in words is "two hundred thirty-eight million, ninety thousand, thirty-three".
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