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38000047 is a prime number
BaseRepresentation
bin1001000011110…
…1010110101111
32122111121021011
42100331112233
534212000142
63434250051
7640665211
oct220752657
978447234
1038000047
111a4a4aa8
1210886927
137b46447
1450925b1
153509417
hex243d5af

38000047 has 2 divisors, whose sum is σ = 38000048. Its totient is φ = 38000046.

The previous prime is 38000009. The next prime is 38000059. The reversal of 38000047 is 74000083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38000047 - 219 = 37475759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37999991 and 38000027.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38000747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19000023 + 19000024.

It is an arithmetic number, because the mean of its divisors is an integer number (19000024).

Almost surely, 238000047 is an apocalyptic number.

38000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

38000047 is an equidigital number, since it uses as much as digits as its factorization.

38000047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 38000047 is about 6164.4178151712. The cubic root of 38000047 is about 336.1976792876.

The spelling of 38000047 in words is "thirty-eight million, forty-seven", and thus it is an aban number and an uban number.