Base | Representation |
---|---|
bin | 11110010101110… |
… | …10111010110100 |
3 | 122201221000012011 |
4 | 33022322322310 |
5 | 1010124133022 |
6 | 41131134004 |
7 | 6210251524 |
oct | 1712727264 |
9 | 581830164 |
10 | 254521012 |
11 | 120741449 |
12 | 712a4304 |
13 | 40966465 |
14 | 25b35684 |
15 | 17528977 |
hex | f2baeb4 |
254521012 has 6 divisors (see below), whose sum is σ = 445411778. Its totient is φ = 127260504.
The previous prime is 254521009. The next prime is 254521019. The reversal of 254521012 is 210125452.
254521012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 235806736 + 18714276 = 15356^2 + 4326^2 .
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254521019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31815123 + ... + 31815130.
Almost surely, 2254521012 is an apocalyptic number.
It is an amenable number.
254521012 is a deficient number, since it is larger than the sum of its proper divisors (190890766).
254521012 is a wasteful number, since it uses less digits than its factorization.
254521012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63630257 (or 63630255 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 254521012 is about 15953.7146771528. The cubic root of 254521012 is about 633.7352734513.
Adding to 254521012 its reverse (210125452), we get a palindrome (464646464).
The spelling of 254521012 in words is "two hundred fifty-four million, five hundred twenty-one thousand, twelve".
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