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3133939 is a prime number
BaseRepresentation
bin1011111101000111110011
312220012221211
423331013303
51300241224
6151100551
735431564
oct13750763
95805854
103133939
111850636
121071757
13859603
145b816b
1541d894
hex2fd1f3

3133939 has 2 divisors, whose sum is σ = 3133940. Its totient is φ = 3133938.

The previous prime is 3133931. The next prime is 3133961. The reversal of 3133939 is 9393313.

It is a weak prime.

It is an emirp because it is prime and its reverse (9393313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3133939 - 23 = 3133931 is a prime.

It is equal to p225778 and since 3133939 and 225778 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3133939.

It is not a weakly prime, because it can be changed into another prime (3133931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566969 + 1566970.

It is an arithmetic number, because the mean of its divisors is an integer number (1566970).

Almost surely, 23133939 is an apocalyptic number.

3133939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133939 is an equidigital number, since it uses as much as digits as its factorization.

3133939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6561, while the sum is 31.

The square root of 3133939 is about 1770.2934784945. The cubic root of 3133939 is about 146.3401557740.

It can be divided in two parts, 31339 and 39, that multiplied together give a palindrome (1222221).

The spelling of 3133939 in words is "three million, one hundred thirty-three thousand, nine hundred thirty-nine".