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2980897 = 6744491
BaseRepresentation
bin1011010111110000100001
312121110000121
423113300201
51230342042
6143520241
734223443
oct13276041
95543017
102980897
111756657
12bb9081
13804a5a
14578493
153dd367
hex2d7c21

2980897 has 4 divisors (see below), whose sum is σ = 3025456. Its totient is φ = 2936340.

The previous prime is 2980883. The next prime is 2980903. The reversal of 2980897 is 7980892.

2980897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2980897 - 219 = 2456609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2980847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22179 + ... + 22312.

It is an arithmetic number, because the mean of its divisors is an integer number (756364).

22980897 is an apocalyptic number.

It is an amenable number.

2980897 is a deficient number, since it is larger than the sum of its proper divisors (44559).

2980897 is an equidigital number, since it uses as much as digits as its factorization.

2980897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44558.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2980897 is about 1726.5274396893. The cubic root of 2980897 is about 143.9181794702.

The spelling of 2980897 in words is "two million, nine hundred eighty thousand, eight hundred ninety-seven".

Divisors: 1 67 44491 2980897