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2992081 is a prime number
BaseRepresentation
bin1011011010011111010001
312122000100211
423122133101
51231221311
6144044121
734301161
oct13323721
95560324
102992081
111763aa4
121003641
13809b81
1457c5a1
153e1821
hex2da7d1

2992081 has 2 divisors, whose sum is σ = 2992082. Its totient is φ = 2992080.

The previous prime is 2992049. The next prime is 2992097. The reversal of 2992081 is 1802992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 483025 = 1584^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2992081 - 25 = 2992049 is a prime.

It is a super-2 number, since 2×29920812 = 17905097421122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2995081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496040 + 1496041.

It is an arithmetic number, because the mean of its divisors is an integer number (1496041).

22992081 is an apocalyptic number.

It is an amenable number.

2992081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2992081 is an equidigital number, since it uses as much as digits as its factorization.

2992081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2992081 is about 1729.7632786020. The cubic root of 2992081 is about 144.0979432699.

It can be divided in two parts, 299208 and 1, that added together give a square (299209 = 5472).

The spelling of 2992081 in words is "two million, nine hundred ninety-two thousand, eighty-one".