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50000047 is a prime number
BaseRepresentation
bin1011111010111…
…1000010101111
310111002021011121
42332233002233
5100300000142
64543401411
71144664506
oct276570257
9114067147
1050000047
1126250859
12148b3267
13a488436
1468d783d
1545c9c67
hex2faf0af

50000047 has 2 divisors, whose sum is σ = 50000048. Its totient is φ = 50000046.

The previous prime is 50000021. The next prime is 50000059. The reversal of 50000047 is 74000005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50000047 - 211 = 49997999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000023 + 25000024.

It is an arithmetic number, because the mean of its divisors is an integer number (25000024).

Almost surely, 250000047 is an apocalyptic number.

50000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000047 is an equidigital number, since it uses as much as digits as its factorization.

50000047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 50000047 is about 7071.0711352666. The cubic root of 50000047 is about 368.4032652970.

The spelling of 50000047 in words is "fifty million, forty-seven", and thus it is an aban number and an uban number.