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2948009 is a prime number
BaseRepresentation
bin1011001111101110101001
312112202220112
423033232221
51223314014
6143104105
734025531
oct13175651
95482815
102948009
111733979
12ba2035
137c2aac
1456a4c1
153d373e
hex2cfba9

2948009 has 2 divisors, whose sum is σ = 2948010. Its totient is φ = 2948008.

The previous prime is 2947999. The next prime is 2948039. The reversal of 2948009 is 9008492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 529984 = 1555^2 + 728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2948009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2948039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474004 + 1474005.

It is an arithmetic number, because the mean of its divisors is an integer number (1474005).

22948009 is an apocalyptic number.

It is an amenable number.

2948009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2948009 is an equidigital number, since it uses as much as digits as its factorization.

2948009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2948009 is about 1716.9767033947. The cubic root of 2948009 is about 143.3869416684.

The spelling of 2948009 in words is "two million, nine hundred forty-eight thousand, nine".