Base | Representation |
---|---|
bin | 1011001110110… |
… | …0010000000001 |
3 | 10021122011221120 |
4 | 2303230100001 |
5 | 44024330100 |
6 | 4401342453 |
7 | 1111246302 |
oct | 263542001 |
9 | 107564846 |
10 | 47105025 |
11 | 24653780 |
12 | 13937a29 |
13 | 99b37c6 |
14 | 63827a9 |
15 | 42070a0 |
hex | 2cec401 |
47105025 has 24 divisors (see below), whose sum is σ = 84961824. Its totient is φ = 22838400.
The previous prime is 47105017. The next prime is 47105029. The reversal of 47105025 is 52050174.
It is not a de Polignac number, because 47105025 - 23 = 47105017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 47104986 and 47105004.
It is not an unprimeable number, because it can be changed into a prime (47105029) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27724 + ... + 29373.
It is an arithmetic number, because the mean of its divisors is an integer number (3540076).
Almost surely, 247105025 is an apocalyptic number.
It is an amenable number.
47105025 is a deficient number, since it is larger than the sum of its proper divisors (37856799).
47105025 is a wasteful number, since it uses less digits than its factorization.
47105025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57121 (or 57116 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 24.
The square root of 47105025 is about 6863.3100614791. The cubic root of 47105025 is about 361.1512143934.
Adding to 47105025 its reverse (52050174), we get a palindrome (99155199).
The spelling of 47105025 in words is "forty-seven million, one hundred five thousand, twenty-five".
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