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97022449 is a prime number
BaseRepresentation
bin1011100100001…
…11000111110001
320202120020210001
411302013013301
5144314204244
613343310001
72255451166
oct562070761
9222506701
1097022449
114a848447
12285ab301
1317140444
14cc5806d
1587b75d4
hex5c871f1

97022449 has 2 divisors, whose sum is σ = 97022450. Its totient is φ = 97022448.

The previous prime is 97022447. The next prime is 97022477. The reversal of 97022449 is 94422079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91068849 + 5953600 = 9543^2 + 2440^2 .

It is an emirp because it is prime and its reverse (94422079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97022449 - 21 = 97022447 is a prime.

Together with 97022447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97022447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48511224 + 48511225.

It is an arithmetic number, because the mean of its divisors is an integer number (48511225).

Almost surely, 297022449 is an apocalyptic number.

It is an amenable number.

97022449 is a deficient number, since it is larger than the sum of its proper divisors (1).

97022449 is an equidigital number, since it uses as much as digits as its factorization.

97022449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 97022449 is about 9849.9974111672. The cubic root of 97022449 is about 459.5055319988.

The spelling of 97022449 in words is "ninety-seven million, twenty-two thousand, four hundred forty-nine".