Base | Representation |
---|---|
bin | 11011011100000… |
… | …10010101001010 |
3 | 121001002221121002 |
4 | 31232002111022 |
5 | 432411000403 |
6 | 34501215002 |
7 | 5463300221 |
oct | 1556022512 |
9 | 531087532 |
10 | 230171978 |
11 | 108a20683 |
12 | 65101462 |
13 | 388bc64a |
14 | 227d7cb8 |
15 | 15319188 |
hex | db8254a |
230171978 has 16 divisors (see below), whose sum is σ = 351838080. Its totient is φ = 112912800.
The previous prime is 230171969. The next prime is 230171987. The reversal of 230171978 is 879171032.
230171978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (230171969) and next prime (230171987).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18383 + ... + 28253.
It is an arithmetic number, because the mean of its divisors is an integer number (21989880).
Almost surely, 2230171978 is an apocalyptic number.
230171978 is a deficient number, since it is larger than the sum of its proper divisors (121666102).
230171978 is a wasteful number, since it uses less digits than its factorization.
230171978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10093.
The product of its (nonzero) digits is 21168, while the sum is 38.
The square root of 230171978 is about 15171.4197753539. The cubic root of 230171978 is about 612.8452391034.
The spelling of 230171978 in words is "two hundred thirty million, one hundred seventy-one thousand, nine hundred seventy-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •