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47983219 is a prime number
BaseRepresentation
bin1011011100001…
…0101001110011
310100021210121021
42313002221303
544240430334
64432240311
71121564524
oct267025163
9110253537
1047983219
11250a3559
12140a0097
139c3044b
14653084b
15432c3b4
hex2dc2a73

47983219 has 2 divisors, whose sum is σ = 47983220. Its totient is φ = 47983218.

The previous prime is 47983171. The next prime is 47983253. The reversal of 47983219 is 91238974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47983219 - 29 = 47982707 is a prime.

It is a super-2 number, since 2×479832192 = 4604778611203922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47983289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23991609 + 23991610.

It is an arithmetic number, because the mean of its divisors is an integer number (23991610).

Almost surely, 247983219 is an apocalyptic number.

47983219 is a deficient number, since it is larger than the sum of its proper divisors (1).

47983219 is an equidigital number, since it uses as much as digits as its factorization.

47983219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 47983219 is about 6926.9920600503. The cubic root of 47983219 is about 363.3817621013.

The spelling of 47983219 in words is "forty-seven million, nine hundred eighty-three thousand, two hundred nineteen".