Search a number
-
+
2997443 is a prime number
BaseRepresentation
bin1011011011110011000011
312122021201102
423123303003
51231404233
6144125015
734322621
oct13336303
95567642
102997443
111768029
12100676b
1380c447
14580511
153e31e8
hex2dbcc3

2997443 has 2 divisors, whose sum is σ = 2997444. Its totient is φ = 2997442.

The previous prime is 2997439. The next prime is 2997451. The reversal of 2997443 is 3447992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2997443 - 22 = 2997439 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2997397 and 2997406.

It is not a weakly prime, because it can be changed into another prime (2997413) 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, 1498721 + 1498722.

It is an arithmetic number, because the mean of its divisors is an integer number (1498722).

22997443 is an apocalyptic number.

2997443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997443 is an equidigital number, since it uses as much as digits as its factorization.

2997443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 2997443 is about 1731.3125078968. The cubic root of 2997443 is about 144.1839694707.

The spelling of 2997443 in words is "two million, nine hundred ninety-seven thousand, four hundred forty-three".