Base | Representation |
---|---|
bin | 1011011011100… |
… | …1010001011101 |
3 | 10100012211220020 |
4 | 2312321101131 |
5 | 44233213142 |
6 | 4431342353 |
7 | 1121344515 |
oct | 266712135 |
9 | 110184806 |
10 | 47944797 |
11 | 250776aa |
12 | 140819b9 |
13 | 9c18b04 |
14 | 6520845 |
15 | 4320cec |
hex | 2db945d |
47944797 has 8 divisors (see below), whose sum is σ = 64016544. Its totient is φ = 31918128.
The previous prime is 47944789. The next prime is 47944823. The reversal of 47944797 is 79744974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47944797 - 23 = 47944789 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47944697) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8703 + ... + 13100.
It is an arithmetic number, because the mean of its divisors is an integer number (8002068).
Almost surely, 247944797 is an apocalyptic number.
It is an amenable number.
47944797 is a deficient number, since it is larger than the sum of its proper divisors (16071747).
47944797 is a wasteful number, since it uses less digits than its factorization.
47944797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22539.
The product of its digits is 1778112, while the sum is 51.
The square root of 47944797 is about 6924.2181508095. The cubic root of 47944797 is about 363.2847449732.
It can be divided in two parts, 4794 and 4797, that added together give a triangular number (9591 = T138).
The spelling of 47944797 in words is "forty-seven million, nine hundred forty-four thousand, seven hundred ninety-seven".
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