Base | Representation |
---|---|
bin | 1011011100010… |
… | …0000100010100 |
3 | 10100022002112211 |
4 | 2313010010110 |
5 | 44241122022 |
6 | 4432323204 |
7 | 1121620441 |
oct | 267040424 |
9 | 110262484 |
10 | 47989012 |
11 | 250a7945 |
12 | 140a3504 |
13 | 9c32c86 |
14 | 65329c8 |
15 | 432de77 |
hex | 2dc4114 |
47989012 has 12 divisors (see below), whose sum is σ = 84256480. Its totient is φ = 23915736.
The previous prime is 47989001. The next prime is 47989027. The reversal of 47989012 is 21098974.
It is a super-2 number, since 2×479890122 = 4605890545472288, which contains 22 as substring.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18312 + ... + 20767.
Almost surely, 247989012 is an apocalyptic number.
It is an amenable number.
47989012 is a deficient number, since it is larger than the sum of its proper divisors (36267468).
47989012 is a wasteful number, since it uses less digits than its factorization.
47989012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39390 (or 39388 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 47989012 is about 6927.4101942934. The cubic root of 47989012 is about 363.3963851708.
The spelling of 47989012 in words is "forty-seven million, nine hundred eighty-nine thousand, twelve".
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