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47029889 is a prime number
BaseRepresentation
bin1011001101100…
…1111010000001
310021111100212202
42303121322001
544014424024
64400002545
71110514244
oct263317201
9107440782
1047029889
1124602285
1213900455
13998854a
14636325b
1541debae
hex2cd9e81

47029889 has 2 divisors, whose sum is σ = 47029890. Its totient is φ = 47029888.

The previous prime is 47029867. The next prime is 47029919. The reversal of 47029889 is 98892074.

47029889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38850289 + 8179600 = 6233^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 47029889 - 212 = 47025793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47029289) 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 as a sum of consecutive naturals, namely, 23514944 + 23514945.

It is an arithmetic number, because the mean of its divisors is an integer number (23514945).

Almost surely, 247029889 is an apocalyptic number.

It is an amenable number.

47029889 is a deficient number, since it is larger than the sum of its proper divisors (1).

47029889 is an equidigital number, since it uses as much as digits as its factorization.

47029889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 47029889 is about 6857.8341333106. The cubic root of 47029889 is about 360.9590912379.

The spelling of 47029889 in words is "forty-seven million, twenty-nine thousand, eight hundred eighty-nine".