Base | Representation |
---|---|
bin | 11011011100100… |
… | …11011111001011 |
3 | 121001020111222210 |
4 | 31232103133023 |
5 | 432420223001 |
6 | 34502520203 |
7 | 5464012131 |
oct | 1556233713 |
9 | 531214883 |
10 | 230242251 |
11 | 108a69458 |
12 | 65136063 |
13 | 38915625 |
14 | 22815751 |
15 | 1532edd6 |
hex | db937cb |
230242251 has 8 divisors (see below), whose sum is σ = 307065664. Its totient is φ = 153456840.
The previous prime is 230242193. The next prime is 230242273. The reversal of 230242251 is 152242032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230242251 - 211 = 230240203 is a prime.
It is a super-2 number, since 2×2302422512 = 106022988291094002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230242651) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10896 + ... + 24066.
It is an arithmetic number, because the mean of its divisors is an integer number (38383208).
Almost surely, 2230242251 is an apocalyptic number.
230242251 is a deficient number, since it is larger than the sum of its proper divisors (76823413).
230242251 is a wasteful number, since it uses less digits than its factorization.
230242251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19001.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 230242251 is about 15173.7355651138. The cubic root of 230242251 is about 612.9076013014.
Adding to 230242251 its reverse (152242032), we get a palindrome (382484283).
The spelling of 230242251 in words is "two hundred thirty million, two hundred forty-two thousand, two hundred fifty-one".
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