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284996897 is a prime number
BaseRepresentation
bin10000111111001…
…011010100100001
3201212021100020122
4100333023110201
51040424400042
644140250025
710030301513
oct2077132441
9655240218
10284996897
11136967429
127b540915
1347076c23
1429bc9bb3
151a0487d2
hex10fcb521

284996897 has 2 divisors, whose sum is σ = 284996898. Its totient is φ = 284996896.

The previous prime is 284996869. The next prime is 284996939. The reversal of 284996897 is 798699482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208975936 + 76020961 = 14456^2 + 8719^2 .

It is a cyclic number.

It is not a de Polignac number, because 284996897 - 28 = 284996641 is a prime.

It is not a weakly prime, because it can be changed into another prime (284996807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142498448 + 142498449.

It is an arithmetic number, because the mean of its divisors is an integer number (142498449).

Almost surely, 2284996897 is an apocalyptic number.

It is an amenable number.

284996897 is a deficient number, since it is larger than the sum of its proper divisors (1).

284996897 is an equidigital number, since it uses as much as digits as its factorization.

284996897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The square root of 284996897 is about 16881.8511129556. The cubic root of 284996897 is about 658.0820481693.

The spelling of 284996897 in words is "two hundred eighty-four million, nine hundred ninety-six thousand, eight hundred ninety-seven".