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47067431 is a prime number
BaseRepresentation
bin1011001110001…
…1000100100111
310021120021101012
42303203010213
544022124211
64400452435
71111031555
oct263430447
9107507335
1047067431
1124628504
121391a11b
13999c668
146372bd5
1541ead8b
hex2ce3127

47067431 has 2 divisors, whose sum is σ = 47067432. Its totient is φ = 47067430.

The previous prime is 47067409. The next prime is 47067439. The reversal of 47067431 is 13476074.

It is a happy number.

47067431 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 47067431 - 214 = 47051047 is a prime.

It is a super-2 number, since 2×470674312 = 4430686121879522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47067439) 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, 23533715 + 23533716.

It is an arithmetic number, because the mean of its divisors is an integer number (23533716).

Almost surely, 247067431 is an apocalyptic number.

47067431 is a deficient number, since it is larger than the sum of its proper divisors (1).

47067431 is an equidigital number, since it uses as much as digits as its factorization.

47067431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 47067431 is about 6860.5707488517. The cubic root of 47067431 is about 361.0551118914.

The spelling of 47067431 in words is "forty-seven million, sixty-seven thousand, four hundred thirty-one".