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47800427 is a prime number
BaseRepresentation
bin1011011001011…
…0000001101011
310022221111212012
42312112001223
544214103202
64424310135
71120203563
oct266260153
9108844765
1047800427
1124a89194
121401234b
139b9819c
1464c3da3
1542e3152
hex2d9606b

47800427 has 2 divisors, whose sum is σ = 47800428. Its totient is φ = 47800426.

The previous prime is 47800373. The next prime is 47800429. The reversal of 47800427 is 72400874.

47800427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47800427 - 210 = 47799403 is a prime.

Together with 47800429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47800393 and 47800402.

It is not a weakly prime, because it can be changed into another prime (47800429) 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, 23900213 + 23900214.

It is an arithmetic number, because the mean of its divisors is an integer number (23900214).

Almost surely, 247800427 is an apocalyptic number.

47800427 is a deficient number, since it is larger than the sum of its proper divisors (1).

47800427 is an equidigital number, since it uses as much as digits as its factorization.

47800427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 47800427 is about 6913.7852873806. The cubic root of 47800427 is about 362.9197408234.

The spelling of 47800427 in words is "forty-seven million, eight hundred thousand, four hundred twenty-seven".