Base | Representation |
---|---|
bin | 1011011100010… |
… | …1101000110010 |
3 | 10100022102100222 |
4 | 2313011220302 |
5 | 44241323232 |
6 | 4432413042 |
7 | 1121645255 |
oct | 267055062 |
9 | 110272328 |
10 | 47995442 |
11 | 25101760 |
12 | 140a7182 |
13 | 9c35b91 |
14 | 653509c |
15 | 4330d12 |
hex | 2dc5a32 |
47995442 has 8 divisors (see below), whose sum is σ = 78538032. Its totient is φ = 21816100.
The previous prime is 47995429. The next prime is 47995447. The reversal of 47995442 is 24459974.
47995442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 47995393 and 47995402.
It is not an unprimeable number, because it can be changed into a prime (47995447) by changing a digit.
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, 1090784 + ... + 1090827.
It is an arithmetic number, because the mean of its divisors is an integer number (9817254).
Almost surely, 247995442 is an apocalyptic number.
47995442 is a deficient number, since it is larger than the sum of its proper divisors (30542590).
47995442 is a wasteful number, since it uses less digits than its factorization.
47995442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2181624.
The product of its digits is 362880, while the sum is 44.
The square root of 47995442 is about 6927.8742771502. The cubic root of 47995442 is about 363.4126148194.
The spelling of 47995442 in words is "forty-seven million, nine hundred ninety-five thousand, four hundred forty-two".
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