Base | Representation |
---|---|
bin | 1011010110100… |
… | …1111110111001 |
3 | 10022121100101122 |
4 | 2311221332321 |
5 | 44142320100 |
6 | 4420355025 |
7 | 1115522615 |
oct | 265517671 |
9 | 108540348 |
10 | 47620025 |
11 | 249756a2 |
12 | 13b45a75 |
13 | 9b3403b |
14 | 6478345 |
15 | 42a9985 |
hex | 2d69fb9 |
47620025 has 12 divisors (see below), whose sum is σ = 59159532. Its totient is φ = 38024640.
The previous prime is 47620019. The next prime is 47620039. The reversal of 47620025 is 52002674.
It can be written as a sum of positive squares in 6 ways, for example, as 395641 + 47224384 = 629^2 + 6872^2 .
It is not a de Polignac number, because 47620025 - 214 = 47603641 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 47619976 and 47620003.
It is a congruent number.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 14867 + ... + 17783.
It is an arithmetic number, because the mean of its divisors is an integer number (4929961).
Almost surely, 247620025 is an apocalyptic number.
It is an amenable number.
47620025 is a deficient number, since it is larger than the sum of its proper divisors (11539507).
47620025 is a wasteful number, since it uses less digits than its factorization.
47620025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3580 (or 3575 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 47620025 is about 6900.7264110382. The cubic root of 47620025 is about 362.4626041487.
Adding to 47620025 its reverse (52002674), we get a palindrome (99622699).
The spelling of 47620025 in words is "forty-seven million, six hundred twenty thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •