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2980687 is a prime number
BaseRepresentation
bin1011010111101101001111
312121102201211
423113231033
51230340222
6143515251
734223023
oct13275517
95542654
102980687
111756486
12bb8b27
13804928
14578383
153dd277
hex2d7b4f

2980687 has 2 divisors, whose sum is σ = 2980688. Its totient is φ = 2980686.

The previous prime is 2980673. The next prime is 2980697. The reversal of 2980687 is 7860892.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2980687 is a prime.

2980687 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2980697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490343 + 1490344.

It is an arithmetic number, because the mean of its divisors is an integer number (1490344).

22980687 is an apocalyptic number.

2980687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2980687 is an equidigital number, since it uses as much as digits as its factorization.

2980687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2980687 is about 1726.4666229036. The cubic root of 2980687 is about 143.9147997797.

The spelling of 2980687 in words is "two million, nine hundred eighty thousand, six hundred eighty-seven".