Base | Representation |
---|---|
bin | 11011011100101… |
… | …01101001110001 |
3 | 121001020222011022 |
4 | 31232111221301 |
5 | 432421013441 |
6 | 34503025225 |
7 | 5464050032 |
oct | 1556255161 |
9 | 531228138 |
10 | 230251121 |
11 | 108a75091 |
12 | 6513b215 |
13 | 38919689 |
14 | 22818a89 |
15 | 1533284b |
hex | db95a71 |
230251121 has 4 divisors (see below), whose sum is σ = 235867044. Its totient is φ = 224635200.
The previous prime is 230251103. The next prime is 230251129. The reversal of 230251121 is 121152032.
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 40500496 + 189750625 = 6364^2 + 13775^2 .
It is a cyclic number.
It is not a de Polignac number, because 230251121 - 26 = 230251057 is a prime.
It is a super-3 number, since 3×2302511213 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230251121.
It is not an unprimeable number, because it can be changed into a prime (230251129) 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, 2807900 + ... + 2807981.
It is an arithmetic number, because the mean of its divisors is an integer number (58966761).
Almost surely, 2230251121 is an apocalyptic number.
It is an amenable number.
230251121 is a deficient number, since it is larger than the sum of its proper divisors (5615923).
230251121 is an equidigital number, since it uses as much as digits as its factorization.
230251121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5615922.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 230251121 is about 15174.0278436544. The cubic root of 230251121 is about 612.9154718821.
The spelling of 230251121 in words is "two hundred thirty million, two hundred fifty-one thousand, one hundred twenty-one".
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