Base | Representation |
---|---|
bin | 1100100110111… |
… | …0011001101001 |
3 | 10200111122002121 |
4 | 3021232121221 |
5 | 102014143001 |
6 | 5125231241 |
7 | 1211324005 |
oct | 311563151 |
9 | 120448077 |
10 | 52881001 |
11 | 27939308 |
12 | 15862521 |
13 | ac56844 |
14 | 7047705 |
15 | 49986a1 |
hex | 326e669 |
52881001 has 2 divisors, whose sum is σ = 52881002. Its totient is φ = 52881000.
The previous prime is 52880987. The next prime is 52881011. The reversal of 52881001 is 10018825.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 34810000 + 18071001 = 5900^2 + 4251^2 .
It is a cyclic number.
It is not a de Polignac number, because 52881001 - 211 = 52878953 is a prime.
It is not a weakly prime, because it can be changed into another prime (52881011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26440500 + 26440501.
It is an arithmetic number, because the mean of its divisors is an integer number (26440501).
Almost surely, 252881001 is an apocalyptic number.
It is an amenable number.
52881001 is a deficient number, since it is larger than the sum of its proper divisors (1).
52881001 is an equidigital number, since it uses as much as digits as its factorization.
52881001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 640, while the sum is 25.
The square root of 52881001 is about 7271.9324116771. The cubic root of 52881001 is about 375.3472362986.
Adding to 52881001 its reverse (10018825), we get a palindrome (62899826).
The spelling of 52881001 in words is "fifty-two million, eight hundred eighty-one thousand, one".
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