Base | Representation |
---|---|
bin | 11011011011111… |
… | …10001110100011 |
3 | 121001002002112121 |
4 | 31231332032203 |
5 | 432404431141 |
6 | 34501005111 |
7 | 5463200221 |
oct | 1555761643 |
9 | 531062477 |
10 | 230155171 |
11 | 108a09a94 |
12 | 650b3797 |
13 | 388b4abc |
14 | 227d1b11 |
15 | 153141d1 |
hex | db7e3a3 |
230155171 has 4 divisors (see below), whose sum is σ = 230187672. Its totient is φ = 230122672.
The previous prime is 230155169. The next prime is 230155183. The reversal of 230155171 is 171551032.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 230155171 - 21 = 230155169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230155271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610 + ... + 21463.
It is an arithmetic number, because the mean of its divisors is an integer number (57546918).
Almost surely, 2230155171 is an apocalyptic number.
230155171 is a deficient number, since it is larger than the sum of its proper divisors (32501).
230155171 is a wasteful number, since it uses less digits than its factorization.
230155171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32500.
The product of its (nonzero) digits is 1050, while the sum is 25.
The square root of 230155171 is about 15170.8658619078. The cubic root of 230155171 is about 612.8303222273.
The spelling of 230155171 in words is "two hundred thirty million, one hundred fifty-five thousand, one hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •