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47082817 = 1923107741
BaseRepresentation
bin1011001110011…
…0110101000001
310021121001111001
42303212311001
544023122232
64401052001
71111124455
oct263466501
9107531431
1047082817
1124639021
1213927001
1399a6672
146378665
1542006e7
hex2ce6d41

47082817 has 8 divisors (see below), whose sum is σ = 51716160. Its totient is φ = 42665040.

The previous prime is 47082799. The next prime is 47082821. The reversal of 47082817 is 71828074.

47082817 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 cyclic number.

It is not a de Polignac number, because 47082817 - 223 = 38694209 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (47082517) 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 7 ways as a sum of consecutive naturals, for example, 53434 + ... + 54307.

It is an arithmetic number, because the mean of its divisors is an integer number (6464520).

Almost surely, 247082817 is an apocalyptic number.

It is an amenable number.

47082817 is a deficient number, since it is larger than the sum of its proper divisors (4633343).

47082817 is a wasteful number, since it uses less digits than its factorization.

47082817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107783.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 47082817 is about 6861.6919925045. The cubic root of 47082817 is about 361.0944496998.

The spelling of 47082817 in words is "forty-seven million, eighty-two thousand, eight hundred seventeen".

Divisors: 1 19 23 437 107741 2047079 2478043 47082817