Base | Representation |
---|---|
bin | 11011011011111… |
… | …10011010011001 |
3 | 121001002010120200 |
4 | 31231332122121 |
5 | 432404442204 |
6 | 34501012413 |
7 | 5463202353 |
oct | 1555763231 |
9 | 531063520 |
10 | 230155929 |
11 | 108a0a613 |
12 | 650b4109 |
13 | 388b5253 |
14 | 227d20d3 |
15 | 15314539 |
hex | db7e699 |
230155929 has 12 divisors (see below), whose sum is σ = 336453936. Its totient is φ = 151588152.
The previous prime is 230155907. The next prime is 230155957. The reversal of 230155929 is 929551032.
It is a happy number.
It is not a de Polignac number, because 230155929 - 219 = 229631641 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 230155893 and 230155902.
It is not an unprimeable number, because it can be changed into a prime (230155969) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153307 + ... + 154800.
It is an arithmetic number, because the mean of its divisors is an integer number (28037828).
Almost surely, 2230155929 is an apocalyptic number.
It is an amenable number.
230155929 is a deficient number, since it is larger than the sum of its proper divisors (106298007).
230155929 is a wasteful number, since it uses less digits than its factorization.
230155929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308196 (or 308193 counting only the distinct ones).
The product of its (nonzero) digits is 24300, while the sum is 36.
The square root of 230155929 is about 15170.8908439814. The cubic root of 230155929 is about 612.8309949978.
The spelling of 230155929 in words is "two hundred thirty million, one hundred fifty-five thousand, nine hundred twenty-nine".
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