Base | Representation |
---|---|
bin | 10111001010000… |
… | …01010110010111 |
3 | 111112112010201011 |
4 | 23211001112113 |
5 | 344212113411 |
6 | 31135313051 |
7 | 4546063603 |
oct | 1345012627 |
9 | 445463634 |
10 | 194254231 |
11 | 9a719096 |
12 | 5507b787 |
13 | 31324c42 |
14 | 1bb28503 |
15 | 120c1c21 |
hex | b941597 |
194254231 has 2 divisors, whose sum is σ = 194254232. Its totient is φ = 194254230.
The previous prime is 194254219. The next prime is 194254259. The reversal of 194254231 is 132452491.
194254231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 194254231 - 25 = 194254199 is a prime.
It is a super-2 number, since 2×1942542312 = 75469412522802722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 194254193 and 194254202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (194254211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97127115 + 97127116.
It is an arithmetic number, because the mean of its divisors is an integer number (97127116).
Almost surely, 2194254231 is an apocalyptic number.
194254231 is a deficient number, since it is larger than the sum of its proper divisors (1).
194254231 is an equidigital number, since it uses as much as digits as its factorization.
194254231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8640, while the sum is 31.
The square root of 194254231 is about 13937.5116502193. The cubic root of 194254231 is about 579.1488019425.
The spelling of 194254231 in words is "one hundred ninety-four million, two hundred fifty-four thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •