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47213567 is a prime number
BaseRepresentation
bin1011010000011…
…0101111111111
310021211200211122
42310012233333
544041313232
64403541155
71112210612
oct264065777
9107750748
1047213567
1124718285
121398a7bb
139a2102b
1463b0179
154229312
hex2d06bff

47213567 has 2 divisors, whose sum is σ = 47213568. Its totient is φ = 47213566.

The previous prime is 47213557. The next prime is 47213581. The reversal of 47213567 is 76531274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47213567 - 220 = 46164991 is a 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 (47213557) 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, 23606783 + 23606784.

It is an arithmetic number, because the mean of its divisors is an integer number (23606784).

Almost surely, 247213567 is an apocalyptic number.

47213567 is a deficient number, since it is larger than the sum of its proper divisors (1).

47213567 is an equidigital number, since it uses as much as digits as its factorization.

47213567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 47213567 is about 6871.2129205840. The cubic root of 47213567 is about 361.4283964605.

The spelling of 47213567 in words is "forty-seven million, two hundred thirteen thousand, five hundred sixty-seven".