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47968159 is a prime number
BaseRepresentation
bin1011011011111…
…0111110011111
310100021000221111
42312332332133
544234440114
64432042451
71121502601
oct266767637
9110230844
1047968159
1125093208
1214093427
139c26635
146529171
154327bc4
hex2dbef9f

47968159 has 2 divisors, whose sum is σ = 47968160. Its totient is φ = 47968158.

The previous prime is 47968157. The next prime is 47968171. The reversal of 47968159 is 95186974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47968159 - 21 = 47968157 is a prime.

Together with 47968157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47968157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23984079 + 23984080.

It is an arithmetic number, because the mean of its divisors is an integer number (23984080).

Almost surely, 247968159 is an apocalyptic number.

47968159 is a deficient number, since it is larger than the sum of its proper divisors (1).

47968159 is an equidigital number, since it uses as much as digits as its factorization.

47968159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 47968159 is about 6925.9049228242. The cubic root of 47968159 is about 363.3437411565.

The spelling of 47968159 in words is "forty-seven million, nine hundred sixty-eight thousand, one hundred fifty-nine".