Base | Representation |
---|---|
bin | 1100010000111… |
… | …0110101101001 |
3 | 10120210110210021 |
4 | 3010032311221 |
5 | 101132103001 |
6 | 5034320441 |
7 | 1163145523 |
oct | 304166551 |
9 | 116713707 |
10 | 51441001 |
11 | 27045427 |
12 | 15289121 |
13 | a871281 |
14 | 6b90a13 |
15 | 47b1ba1 |
hex | 310ed69 |
51441001 has 2 divisors, whose sum is σ = 51441002. Its totient is φ = 51441000.
The previous prime is 51440953. The next prime is 51441023. The reversal of 51441001 is 10014415.
51441001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 44555625 + 6885376 = 6675^2 + 2624^2 .
It is a cyclic number.
It is not a de Polignac number, because 51441001 - 215 = 51408233 is a prime.
It is not a weakly prime, because it can be changed into another prime (51441601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720500 + 25720501.
It is an arithmetic number, because the mean of its divisors is an integer number (25720501).
Almost surely, 251441001 is an apocalyptic number.
It is an amenable number.
51441001 is a deficient number, since it is larger than the sum of its proper divisors (1).
51441001 is an equidigital number, since it uses as much as digits as its factorization.
51441001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 51441001 is about 7172.2382141142. The cubic root of 51441001 is about 371.9088134496.
Adding to 51441001 its reverse (10014415), we get a palindrome (61455416).
The spelling of 51441001 in words is "fifty-one million, four hundred forty-one thousand, one".
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