Base | Representation |
---|---|
bin | 1011001110100… |
… | …0000011101000 |
3 | 10021121022101101 |
4 | 2303220003220 |
5 | 44023302343 |
6 | 4401131144 |
7 | 1111145233 |
oct | 263500350 |
9 | 107538341 |
10 | 47087848 |
11 | 24641885 |
12 | 13929ab4 |
13 | 99a8a42 |
14 | 637a41a |
15 | 4201e4d |
hex | 2ce80e8 |
47087848 has 8 divisors (see below), whose sum is σ = 88289730. Its totient is φ = 23543920.
The previous prime is 47087837. The next prime is 47087849. The reversal of 47087848 is 84878074.
It can be written as a sum of positive squares in only one way, i.e., 45454564 + 1633284 = 6742^2 + 1278^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×470878482 = 4434530858542208, which contains 22 as substring.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 47087798 and 47087807.
It is not an unprimeable number, because it can be changed into a prime (47087849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2942983 + ... + 2942998.
Almost surely, 247087848 is an apocalyptic number.
It is an amenable number.
47087848 is a deficient number, since it is larger than the sum of its proper divisors (41201882).
47087848 is a wasteful number, since it uses less digits than its factorization.
47087848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5885987 (or 5885983 counting only the distinct ones).
The product of its (nonzero) digits is 401408, while the sum is 46.
The square root of 47087848 is about 6862.0585832533. The cubic root of 47087848 is about 361.1073107362.
The spelling of 47087848 in words is "forty-seven million, eighty-seven thousand, eight hundred forty-eight".
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