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3162989 is a prime number
BaseRepresentation
bin1100000100001101101101
312221200210202
430010031231
51302203424
6151443245
735612354
oct14041555
95850722
103162989
111870445
121086525
138698bb
145c499b
154272ae
hex30436d

3162989 has 2 divisors, whose sum is σ = 3162990. Its totient is φ = 3162988.

The previous prime is 3162977. The next prime is 3163051. The reversal of 3162989 is 9892613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 100489 = 1750^2 + 317^2 .

It is an emirp because it is prime and its reverse (9892613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3162989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3162889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581494 + 1581495.

It is an arithmetic number, because the mean of its divisors is an integer number (1581495).

Almost surely, 23162989 is an apocalyptic number.

It is an amenable number.

3162989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3162989 is an equidigital number, since it uses as much as digits as its factorization.

3162989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 3162989 is about 1778.4794066843. The cubic root of 3162989 is about 146.7909317605.

The spelling of 3162989 in words is "three million, one hundred sixty-two thousand, nine hundred eighty-nine".