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4247471 is a prime number
BaseRepresentation
bin10000001100111110101111
321222210102202
4100030332233
52041404341
6231012115
751050204
oct20147657
97883382
104247471
112441208
12150a03b
13b593c7
147c7cab
1558d79b
hex40cfaf

4247471 has 2 divisors, whose sum is σ = 4247472. Its totient is φ = 4247470.

The previous prime is 4247461. The next prime is 4247513. The reversal of 4247471 is 1747424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4247471 - 26 = 4247407 is a prime.

It is a super-3 number, since 3×42474713 (a number of 21 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4247461) 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, 2123735 + 2123736.

It is an arithmetic number, because the mean of its divisors is an integer number (2123736).

Almost surely, 24247471 is an apocalyptic number.

4247471 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247471 is an equidigital number, since it uses as much as digits as its factorization.

4247471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 29.

The square root of 4247471 is about 2060.9393489378. The cubic root of 4247471 is about 161.9484543624.

The spelling of 4247471 in words is "four million, two hundred forty-seven thousand, four hundred seventy-one".