Base | Representation |
---|---|
bin | 11110010010110… |
… | …10010110110101 |
3 | 122201011220122022 |
4 | 33021122112311 |
5 | 1010024003433 |
6 | 41114442525 |
7 | 6204013436 |
oct | 1711322665 |
9 | 581156568 |
10 | 254125493 |
11 | 1204a1276 |
12 | 71133445 |
13 | 4085841b |
14 | 25a7148d |
15 | 1749b698 |
hex | f25a5b5 |
254125493 has 2 divisors, whose sum is σ = 254125494. Its totient is φ = 254125492.
The previous prime is 254125489. The next prime is 254125511. The reversal of 254125493 is 394521452.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 179077924 + 75047569 = 13382^2 + 8663^2 .
It is a cyclic number.
It is not a de Polignac number, because 254125493 - 22 = 254125489 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (254125433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127062746 + 127062747.
It is an arithmetic number, because the mean of its divisors is an integer number (127062747).
Almost surely, 2254125493 is an apocalyptic number.
It is an amenable number.
254125493 is a deficient number, since it is larger than the sum of its proper divisors (1).
254125493 is an equidigital number, since it uses as much as digits as its factorization.
254125493 is an evil number, because the sum of its binary digits is even.
The product of its digits is 43200, while the sum is 35.
The square root of 254125493 is about 15941.3140299036. The cubic root of 254125493 is about 633.4068339135.
The spelling of 254125493 in words is "two hundred fifty-four million, one hundred twenty-five thousand, four hundred ninety-three".
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