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47808119 is a prime number
BaseRepresentation
bin1011011001011…
…1111001110111
310022221220102002
42312113321313
544214324434
64424405515
71120235162
oct266277167
9108856362
1047808119
1124a93a47
121401689b
139b9b838
1464c6ad9
1542e557e
hex2d97e77

47808119 has 2 divisors, whose sum is σ = 47808120. Its totient is φ = 47808118.

The previous prime is 47808109. The next prime is 47808121. The reversal of 47808119 is 91180874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47808119 - 212 = 47804023 is a prime.

It is a super-2 number, since 2×478081192 = 4571232484636322, which contains 22 as substring.

Together with 47808121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47808109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23904059 + 23904060.

It is an arithmetic number, because the mean of its divisors is an integer number (23904060).

Almost surely, 247808119 is an apocalyptic number.

47808119 is a deficient number, since it is larger than the sum of its proper divisors (1).

47808119 is an equidigital number, since it uses as much as digits as its factorization.

47808119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 47808119 is about 6914.3415449340. The cubic root of 47808119 is about 362.9392066811.

The spelling of 47808119 in words is "forty-seven million, eight hundred eight thousand, one hundred nineteen".