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3252989 = 8094021
BaseRepresentation
bin1100011010001011111101
320010021021002
430122023331
51313043424
6153420045
736435635
oct14321375
96107232
103252989
111922023
12110a625
1389b85c
146096c5
15443cae
hex31a2fd

3252989 has 4 divisors (see below), whose sum is σ = 3257820. Its totient is φ = 3248160.

The previous prime is 3252979. The next prime is 3253013. The reversal of 3252989 is 9892523.

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 1452025 + 1800964 = 1205^2 + 1342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3252989 is a prime.

It is an Ulam 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 (3252979) 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 in 3 ways as a sum of consecutive naturals, for example, 1202 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (814455).

Almost surely, 23252989 is an apocalyptic number.

It is an amenable number.

3252989 is a deficient number, since it is larger than the sum of its proper divisors (4831).

3252989 is an equidigital number, since it uses as much as digits as its factorization.

3252989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830.

The product of its digits is 38880, while the sum is 38.

The square root of 3252989 is about 1803.6044466567. The cubic root of 3252989 is about 148.1701992539.

The spelling of 3252989 in words is "three million, two hundred fifty-two thousand, nine hundred eighty-nine".

Divisors: 1 809 4021 3252989