Base | Representation |
---|---|
bin | 1011011100010… |
… | …0100000111001 |
3 | 10100022012001120 |
4 | 2313010200321 |
5 | 44241201331 |
6 | 4432335453 |
7 | 1121625663 |
oct | 267044071 |
9 | 110265046 |
10 | 47990841 |
11 | 250a9258 |
12 | 140a4589 |
13 | 9c33a62 |
14 | 6533533 |
15 | 432e796 |
hex | 2dc4839 |
47990841 has 8 divisors (see below), whose sum is σ = 64798080. Its totient is φ = 31588752.
The previous prime is 47990819. The next prime is 47990861. The reversal of 47990841 is 14809974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47990841 - 25 = 47990809 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 47990793 and 47990802.
It is not an unprimeable number, because it can be changed into a prime (47990861) 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, 101010 + ... + 101483.
It is an arithmetic number, because the mean of its divisors is an integer number (8099760).
Almost surely, 247990841 is an apocalyptic number.
It is an amenable number.
47990841 is a deficient number, since it is larger than the sum of its proper divisors (16807239).
47990841 is a wasteful number, since it uses less digits than its factorization.
47990841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202575.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 47990841 is about 6927.5422048516. The cubic root of 47990841 is about 363.4010018078.
The spelling of 47990841 in words is "forty-seven million, nine hundred ninety thousand, eight hundred forty-one".
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