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47030197 is a prime number
BaseRepresentation
bin1011001101100…
…1111110110101
310021111101022011
42303121332311
544014431242
64400004221
71110515164
oct263317665
9107441264
1047030197
1124602535
1213900671
139988726
1463633db
1541ded17
hex2cd9fb5

47030197 has 2 divisors, whose sum is σ = 47030198. Its totient is φ = 47030196.

The previous prime is 47030189. The next prime is 47030213. The reversal of 47030197 is 79103074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 10536516 = 6041^2 + 3246^2 .

It is a cyclic number.

It is not a de Polignac number, because 47030197 - 23 = 47030189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47030167) 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, 23515098 + 23515099.

It is an arithmetic number, because the mean of its divisors is an integer number (23515099).

Almost surely, 247030197 is an apocalyptic number.

It is an amenable number.

47030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47030197 is an equidigital number, since it uses as much as digits as its factorization.

47030197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 47030197 is about 6857.8565893433. The cubic root of 47030197 is about 360.9598792131.

The spelling of 47030197 in words is "forty-seven million, thirty thousand, one hundred ninety-seven".