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47955983 is a prime number
BaseRepresentation
bin1011011011110…
…0000000001111
310100020102020112
42312330000033
544234042413
64431510235
71121422235
oct266740017
9110212215
1047955983
1125085049
121408837b
139c20c2a
146524955
1543242a8
hex2dbc00f

47955983 has 2 divisors, whose sum is σ = 47955984. Its totient is φ = 47955982.

The previous prime is 47955979. The next prime is 47956001. The reversal of 47955983 is 38955974.

47955983 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 is a cyclic number.

It is not a de Polignac number, because 47955983 - 22 = 47955979 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47955953) 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, 23977991 + 23977992.

It is an arithmetic number, because the mean of its divisors is an integer number (23977992).

Almost surely, 247955983 is an apocalyptic number.

47955983 is a deficient number, since it is larger than the sum of its proper divisors (1).

47955983 is an equidigital number, since it uses as much as digits as its factorization.

47955983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The square root of 47955983 is about 6925.0258483272. The cubic root of 47955983 is about 363.3129954294.

Subtracting from 47955983 its reverse (38955974), we obtain a palindrome (9000009).

The spelling of 47955983 in words is "forty-seven million, nine hundred fifty-five thousand, nine hundred eighty-three".