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3328989 = 31109663
BaseRepresentation
bin1100101100101111011101
320021010111220
430230233131
51323011424
6155203553
740203336
oct14545735
96233456
103328989
111974134
1211465b9
138c7321
1462928d
1545b579
hex32cbdd

3328989 has 4 divisors (see below), whose sum is σ = 4438656. Its totient is φ = 2219324.

The previous prime is 3328987. The next prime is 3328993. The reversal of 3328989 is 9898233.

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 3328989 - 21 = 3328987 is a prime.

It is a super-2 number, since 2×33289892 = 22164335524242, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

3328989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3328989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3328987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554829 + ... + 554834.

It is an arithmetic number, because the mean of its divisors is an integer number (1109664).

Almost surely, 23328989 is an apocalyptic number.

It is an amenable number.

3328989 is a deficient number, since it is larger than the sum of its proper divisors (1109667).

3328989 is a wasteful number, since it uses less digits than its factorization.

3328989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109666.

The product of its digits is 93312, while the sum is 42.

The square root of 3328989 is about 1824.5517257672. The cubic root of 3328989 is about 149.3152342852.

The spelling of 3328989 in words is "three million, three hundred twenty-eight thousand, nine hundred eighty-nine".

Divisors: 1 3 1109663 3328989