Base | Representation |
---|---|
bin | 1011001101110… |
… | …0011000011001 |
3 | 10021111212210011 |
4 | 2303130120121 |
5 | 44020240100 |
6 | 4400121521 |
7 | 1110555634 |
oct | 263343031 |
9 | 107455704 |
10 | 47040025 |
11 | 2460995a |
12 | 139062a1 |
13 | 9990046 |
14 | 6366c1b |
15 | 41e2bba |
hex | 2cdc619 |
47040025 has 6 divisors (see below), whose sum is σ = 58329662. Its totient is φ = 37632000.
The previous prime is 47040013. The next prime is 47040031. The reversal of 47040025 is 52004074.
47040025 is digitally balanced in base 2, 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 3 ways, for example, as 582169 + 46457856 = 763^2 + 6816^2 .
It is not a de Polignac number, because 47040025 - 29 = 47039513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47039978 and 47040005.
It is an unprimeable number.
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 in 5 ways as a sum of consecutive naturals, for example, 940776 + ... + 940825.
Almost surely, 247040025 is an apocalyptic number.
It is an amenable number.
47040025 is a deficient number, since it is larger than the sum of its proper divisors (11289637).
47040025 is a wasteful number, since it uses less digits than its factorization.
47040025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1881611 (or 1881606 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 22.
The square root of 47040025 is about 6858.5731023297. The cubic root of 47040025 is about 360.9850209790.
Adding to 47040025 its reverse (52004074), we get a palindrome (99044099).
The spelling of 47040025 in words is "forty-seven million, forty thousand, twenty-five".
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