Base | Representation |
---|---|
bin | 1011011011100… |
… | …1110110111010 |
3 | 10100012222012000 |
4 | 2312321312322 |
5 | 44233302234 |
6 | 4431401430 |
7 | 1121354511 |
oct | 266716672 |
9 | 110188160 |
10 | 47947194 |
11 | 25079489 |
12 | 14083276 |
13 | 9c19c29 |
14 | 6521678 |
15 | 4321899 |
hex | 2db9dba |
47947194 has 16 divisors (see below), whose sum is σ = 106549440. Its totient is φ = 15982380.
The previous prime is 47947189. The next prime is 47947231. The reversal of 47947194 is 49174974.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443902 + ... + 444009.
It is an arithmetic number, because the mean of its divisors is an integer number (6659340).
Almost surely, 247947194 is an apocalyptic number.
47947194 is an abundant number, since it is smaller than the sum of its proper divisors (58602246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47947194 is a wasteful number, since it uses less digits than its factorization.
47947194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 887922 (or 887916 counting only the distinct ones).
The product of its digits is 254016, while the sum is 45.
The square root of 47947194 is about 6924.3912367803. The cubic root of 47947194 is about 363.2907990123.
The spelling of 47947194 in words is "forty-seven million, nine hundred forty-seven thousand, one hundred ninety-four".
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