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47097289 is a prime number
BaseRepresentation
bin1011001110101…
…0010111001001
310021121210100001
42303222113021
544024103124
64401243001
71111214611
oct263522711
9107553301
1047097289
1124648988
1213933461
1399b0125
14637da41
154204b44
hex2cea5c9

47097289 has 2 divisors, whose sum is σ = 47097290. Its totient is φ = 47097288.

The previous prime is 47097229. The next prime is 47097299. The reversal of 47097289 is 98279074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28676025 + 18421264 = 5355^2 + 4292^2 .

It is a cyclic number.

It is not a de Polignac number, because 47097289 - 217 = 46966217 is a prime.

It is a super-2 number, since 2×470972892 = 4436309262299042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47097229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23548644 + 23548645.

It is an arithmetic number, because the mean of its divisors is an integer number (23548645).

Almost surely, 247097289 is an apocalyptic number.

It is an amenable number.

47097289 is a deficient number, since it is larger than the sum of its proper divisors (1).

47097289 is an equidigital number, since it uses as much as digits as its factorization.

47097289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 47097289 is about 6862.7464618766. The cubic root of 47097289 is about 361.1314428386.

The spelling of 47097289 in words is "forty-seven million, ninety-seven thousand, two hundred eighty-nine".