Base | Representation |
---|---|
bin | 1011011011111… |
… | …1101000000000 |
3 | 10100021011120220 |
4 | 2312333220000 |
5 | 44240031231 |
6 | 4432103040 |
7 | 1121513415 |
oct | 266775000 |
9 | 110234526 |
10 | 47970816 |
11 | 25095203 |
12 | 14094a80 |
13 | 9c278ca |
14 | 652a10c |
15 | 4328896 |
hex | 2dbfa00 |
47970816 has 40 divisors (see below), whose sum is σ = 127801344. Its totient is φ = 15989760.
The previous prime is 47970803. The next prime is 47970829. The reversal of 47970816 is 61807974.
47970816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (47970803) and next prime (47970829).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14080 + ... + 17151.
Almost surely, 247970816 is an apocalyptic number.
It is an amenable number.
47970816 is an abundant number, since it is smaller than the sum of its proper divisors (79830528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47970816 is an equidigital number, since it uses as much as digits as its factorization.
47970816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31252 (or 31236 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 47970816 is about 6926.0967362577. The cubic root of 47970816 is about 363.3504496795.
The spelling of 47970816 in words is "forty-seven million, nine hundred seventy thousand, eight hundred sixteen".
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