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3272989 = 4179829
BaseRepresentation
bin1100011111000100011101
320011021200211
430133010131
51314213424
6154052421
736551146
oct14370435
96137624
103272989
111936055
12111a111
138a79a5
14612acd
15449b94
hex31f11d

3272989 has 4 divisors (see below), whose sum is σ = 3352860. Its totient is φ = 3193120.

The previous prime is 3272963. The next prime is 3272999. The reversal of 3272989 is 9892723.

3272989 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 870489 + 2402500 = 933^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 3272989 - 27 = 3272861 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3272999) 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, 39874 + ... + 39955.

It is an arithmetic number, because the mean of its divisors is an integer number (838215).

Almost surely, 23272989 is an apocalyptic number.

It is an amenable number.

3272989 is a deficient number, since it is larger than the sum of its proper divisors (79871).

3272989 is an equidigital number, since it uses as much as digits as its factorization.

3272989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79870.

The product of its digits is 54432, while the sum is 40.

The square root of 3272989 is about 1809.1404036171. The cubic root of 3272989 is about 148.4732386486.

The spelling of 3272989 in words is "three million, two hundred seventy-two thousand, nine hundred eighty-nine".

Divisors: 1 41 79829 3272989