Base | Representation |
---|---|
bin | 11110010010110… |
… | …10010001101001 |
3 | 122201011220012000 |
4 | 33021122101221 |
5 | 1010024001121 |
6 | 41114441213 |
7 | 6204012453 |
oct | 1711322151 |
9 | 581156160 |
10 | 254125161 |
11 | 1204a0aa4 |
12 | 71133209 |
13 | 40858224 |
14 | 25a712d3 |
15 | 1749b526 |
hex | f25a469 |
254125161 has 8 divisors (see below), whose sum is σ = 376481760. Its totient is φ = 169416756.
The previous prime is 254125121. The next prime is 254125169. The reversal of 254125161 is 161521452.
254125161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 254125161 - 27 = 254125033 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9412043 = 254125161 / (2 + 5 + 4 + 1 + 2 + 5 + 1 + 6 + 1).
It is not an unprimeable number, because it can be changed into a prime (254125169) 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, 4705995 + ... + 4706048.
It is an arithmetic number, because the mean of its divisors is an integer number (47060220).
Almost surely, 2254125161 is an apocalyptic number.
It is an amenable number.
254125161 is a deficient number, since it is larger than the sum of its proper divisors (122356599).
254125161 is an equidigital number, since it uses as much as digits as its factorization.
254125161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9412052 (or 9412046 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 254125161 is about 15941.3036167059. The cubic root of 254125161 is about 633.4065580771.
The spelling of 254125161 in words is "two hundred fifty-four million, one hundred twenty-five thousand, one hundred sixty-one".
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