Base | Representation |
---|---|
bin | 11011011011101… |
… | …00001000110101 |
3 | 121000222222212000 |
4 | 31231310020311 |
5 | 432402120340 |
6 | 34500045513 |
7 | 5462635563 |
oct | 1555641065 |
9 | 530888760 |
10 | 230113845 |
11 | 108990a35 |
12 | 65093899 |
13 | 3889c050 |
14 | 227c0a33 |
15 | 15306d30 |
hex | db74235 |
230113845 has 128 divisors (see below), whose sum is σ = 475238400. Its totient is φ = 104696064.
The previous prime is 230113823. The next prime is 230113859. The reversal of 230113845 is 548311032.
It is a happy number.
It is not a de Polignac number, because 230113845 - 25 = 230113813 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2234064 + ... + 2234166.
It is an arithmetic number, because the mean of its divisors is an integer number (3712800).
Almost surely, 2230113845 is an apocalyptic number.
It is an amenable number.
230113845 is an abundant number, since it is smaller than the sum of its proper divisors (245124555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230113845 is a wasteful number, since it uses less digits than its factorization.
230113845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216 (or 210 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 230113845 is about 15169.5037822600. The cubic root of 230113845 is about 612.7936406822.
Adding to 230113845 its reverse (548311032), we get a palindrome (778424877).
The spelling of 230113845 in words is "two hundred thirty million, one hundred thirteen thousand, eight hundred forty-five".
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