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2985491 is a prime number
BaseRepresentation
bin1011011000111000010011
312121200022202
423120320103
51231013431
6143553415
734243025
oct13307023
95550282
102985491
11175a053
12bbb86b
13806b82
1457a015
153de8cb
hex2d8e13

2985491 has 2 divisors, whose sum is σ = 2985492. Its totient is φ = 2985490.

The previous prime is 2985467. The next prime is 2985503. The reversal of 2985491 is 1945892.

2985491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2985491 is a prime.

It is a super-2 number, since 2×29854912 = 17826313022162, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2985431) 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 as a sum of consecutive naturals, namely, 1492745 + 1492746.

It is an arithmetic number, because the mean of its divisors is an integer number (1492746).

22985491 is an apocalyptic number.

2985491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985491 is an equidigital number, since it uses as much as digits as its factorization.

2985491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 2985491 is about 1727.8573436485. The cubic root of 2985491 is about 143.9920745381.

The spelling of 2985491 in words is "two million, nine hundred eighty-five thousand, four hundred ninety-one".