Base | Representation |
---|---|
bin | 11110010101011… |
… | …11101101110001 |
3 | 122201211200020111 |
4 | 33022233231301 |
5 | 1010121200441 |
6 | 41130141321 |
7 | 6210000655 |
oct | 1712575561 |
9 | 581750214 |
10 | 254475121 |
11 | 12070aa1a |
12 | 71281841 |
13 | 4094b5c4 |
14 | 25b22a65 |
15 | 1751a081 |
hex | f2afb71 |
254475121 has 2 divisors, whose sum is σ = 254475122. Its totient is φ = 254475120.
The previous prime is 254475097. The next prime is 254475127. The reversal of 254475121 is 121574452.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 167314225 + 87160896 = 12935^2 + 9336^2 .
It is a cyclic number.
It is not a de Polignac number, because 254475121 - 29 = 254474609 is a prime.
It is equal to p13910638 and since 254475121 and 13910638 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (254475127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127237560 + 127237561.
It is an arithmetic number, because the mean of its divisors is an integer number (127237561).
Almost surely, 2254475121 is an apocalyptic number.
It is an amenable number.
254475121 is a deficient number, since it is larger than the sum of its proper divisors (1).
254475121 is an equidigital number, since it uses as much as digits as its factorization.
254475121 is an evil number, because the sum of its binary digits is even.
The product of its digits is 11200, while the sum is 31.
The square root of 254475121 is about 15952.2763579371. The cubic root of 254475121 is about 633.6971829569.
The spelling of 254475121 in words is "two hundred fifty-four million, four hundred seventy-five thousand, one hundred twenty-one".
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