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47229473 is a prime number
BaseRepresentation
bin1011010000101…
…0101000100001
310021212111122202
42310022220201
544042320343
64404142545
71112305154
oct264125041
9107774582
1047229473
1124729225
1213997a55
139a28345
1463b5c9b
15422ddb8
hex2d0aa21

47229473 has 2 divisors, whose sum is σ = 47229474. Its totient is φ = 47229472.

The previous prime is 47229463. The next prime is 47229491. The reversal of 47229473 is 37492274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 6115729 = 6412^2 + 2473^2 .

It is a cyclic number.

It is not a de Polignac number, because 47229473 - 26 = 47229409 is a prime.

It is not a weakly prime, because it can be changed into another prime (47229443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23614736 + 23614737.

It is an arithmetic number, because the mean of its divisors is an integer number (23614737).

Almost surely, 247229473 is an apocalyptic number.

It is an amenable number.

47229473 is a deficient number, since it is larger than the sum of its proper divisors (1).

47229473 is an equidigital number, since it uses as much as digits as its factorization.

47229473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 47229473 is about 6872.3702606888. The cubic root of 47229473 is about 361.4689796726.

The spelling of 47229473 in words is "forty-seven million, two hundred twenty-nine thousand, four hundred seventy-three".