Base | Representation |
---|---|
bin | 11011011100000… |
… | …01000000100001 |
3 | 121001002200011110 |
4 | 31232001000201 |
5 | 432410312221 |
6 | 34501133533 |
7 | 5463245352 |
oct | 1556010041 |
9 | 531080143 |
10 | 230166561 |
11 | 108a175a9 |
12 | 650ba2a9 |
13 | 388ba041 |
14 | 227d5d29 |
15 | 15317776 |
hex | db81021 |
230166561 has 8 divisors (see below), whose sum is σ = 307515744. Its totient is φ = 153130880.
The previous prime is 230166527. The next prime is 230166569. The reversal of 230166561 is 165661032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230166561 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230166569) 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, 76656 + ... + 79601.
It is an arithmetic number, because the mean of its divisors is an integer number (38439468).
Almost surely, 2230166561 is an apocalyptic number.
It is an amenable number.
230166561 is a deficient number, since it is larger than the sum of its proper divisors (77349183).
230166561 is a wasteful number, since it uses less digits than its factorization.
230166561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156751.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 230166561 is about 15171.2412478347. The cubic root of 230166561 is about 612.8404313813.
The spelling of 230166561 in words is "two hundred thirty million, one hundred sixty-six thousand, five hundred sixty-one".
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