Base | Representation |
---|---|
bin | 1011010110110… |
… | …0100100110011 |
3 | 10022121212221220 |
4 | 2311230210303 |
5 | 44143140033 |
6 | 4420520123 |
7 | 1115565564 |
oct | 265544463 |
9 | 108555856 |
10 | 47630643 |
11 | 24982675 |
12 | 13b50043 |
13 | 9b38b18 |
14 | 647c16b |
15 | 42acbb3 |
hex | 2d6c933 |
47630643 has 16 divisors (see below), whose sum is σ = 65300256. Its totient is φ = 30863360.
The previous prime is 47630633. The next prime is 47630657. The reversal of 47630643 is 34603674.
It is a cyclic number.
It is not a de Polignac number, because 47630643 - 222 = 43436339 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47630603) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42871 + ... + 43967.
It is an arithmetic number, because the mean of its divisors is an integer number (4081266).
Almost surely, 247630643 is an apocalyptic number.
47630643 is a deficient number, since it is larger than the sum of its proper divisors (17669613).
47630643 is a wasteful number, since it uses less digits than its factorization.
47630643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1494.
The product of its (nonzero) digits is 36288, while the sum is 33.
The square root of 47630643 is about 6901.4957074536. The cubic root of 47630643 is about 362.4895419892.
The spelling of 47630643 in words is "forty-seven million, six hundred thirty thousand, six hundred forty-three".
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