Base | Representation |
---|---|
bin | 11011011101110… |
… | …11000000110001 |
3 | 121001112202001212 |
4 | 31232323000301 |
5 | 432440413040 |
6 | 34510205505 |
7 | 5465255126 |
oct | 1556730061 |
9 | 531482055 |
10 | 230404145 |
11 | 10906a054 |
12 | 651b3895 |
13 | 3897121a |
14 | 2285874d |
15 | 15362d65 |
hex | dbbb031 |
230404145 has 16 divisors (see below), whose sum is σ = 297717120. Its totient is φ = 170536704.
The previous prime is 230404123. The next prime is 230404151. The reversal of 230404145 is 541404032.
It is a cyclic number.
It is not a de Polignac number, because 230404145 - 26 = 230404081 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230404145.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17957 + ... + 27986.
It is an arithmetic number, because the mean of its divisors is an integer number (18607320).
Almost surely, 2230404145 is an apocalyptic number.
It is an amenable number.
230404145 is a deficient number, since it is larger than the sum of its proper divisors (67312975).
230404145 is a wasteful number, since it uses less digits than its factorization.
230404145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46024.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 230404145 is about 15179.0693061202. The cubic root of 230404145 is about 613.0512222268.
Adding to 230404145 its reverse (541404032), we get a palindrome (771808177).
The spelling of 230404145 in words is "two hundred thirty million, four hundred four thousand, one hundred forty-five".
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