Base | Representation |
---|---|
bin | 11011011011111… |
… | …10010100000011 |
3 | 121001002010000122 |
4 | 31231332110003 |
5 | 432404434043 |
6 | 34501010455 |
7 | 5463201233 |
oct | 1555762403 |
9 | 531063018 |
10 | 230155523 |
11 | 108a0a284 |
12 | 650b3a2b |
13 | 388b5000 |
14 | 227d1cc3 |
15 | 15314368 |
hex | db7e503 |
230155523 has 8 divisors (see below), whose sum is σ = 249328800. Its totient is φ = 212449224.
The previous prime is 230155507. The next prime is 230155529. The reversal of 230155523 is 325551032.
It is not a de Polignac number, because 230155523 - 24 = 230155507 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230155492 and 230155501.
It is not an unprimeable number, because it can be changed into a prime (230155529) 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, 50183 + ... + 54576.
It is an arithmetic number, because the mean of its divisors is an integer number (31166100).
Almost surely, 2230155523 is an apocalyptic number.
230155523 is a deficient number, since it is larger than the sum of its proper divisors (19173277).
230155523 is an equidigital number, since it uses as much as digits as its factorization.
230155523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104798 (or 104772 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 26.
The square root of 230155523 is about 15170.8774630870. The cubic root of 230155523 is about 612.8306346486.
The spelling of 230155523 in words is "two hundred thirty million, one hundred fifty-five thousand, five hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •