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2999897 is a prime number
BaseRepresentation
bin1011011100011001011001
312122102002022
423130121121
51231444042
6144144225
734333025
oct13343131
95572068
102999897
11176995a
121008075
138105b4
14581385
153e3cd2
hex2dc659

2999897 has 2 divisors, whose sum is σ = 2999898. Its totient is φ = 2999896.

The previous prime is 2999879. The next prime is 2999903. The reversal of 2999897 is 7989992.

Together with previous prime (2999879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2262016 + 737881 = 1504^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 2999897 - 26 = 2999833 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2999807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499948 + 1499949.

It is an arithmetic number, because the mean of its divisors is an integer number (1499949).

22999897 is an apocalyptic number.

It is an amenable number.

2999897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2999897 is an equidigital number, since it uses as much as digits as its factorization.

2999897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 2999897 is about 1732.0210737748. The cubic root of 2999897 is about 144.2233064373.

The spelling of 2999897 in words is "two million, nine hundred ninety-nine thousand, eight hundred ninety-seven".