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3287069 = 17193357
BaseRepresentation
bin1100100010100000011101
320012000000022
430202200131
51320141234
6154241525
736640202
oct14424035
96160008
103287069
111945695
1211262a5
138b1216
14617ca9
1544de2e
hex32281d

3287069 has 4 divisors (see below), whose sum is σ = 3480444. Its totient is φ = 3093696.

The previous prime is 3287059. The next prime is 3287071. The reversal of 3287069 is 9607823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9607823 = 26833581.

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 743044 = 1595^2 + 862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3287069 is a prime.

It is a super-2 number, since 2×32870692 = 21609645221522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287029) 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, 96662 + ... + 96695.

It is an arithmetic number, because the mean of its divisors is an integer number (870111).

Almost surely, 23287069 is an apocalyptic number.

It is an amenable number.

3287069 is a deficient number, since it is larger than the sum of its proper divisors (193375).

3287069 is a wasteful number, since it uses less digits than its factorization.

3287069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193374.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3287069 is about 1813.0275783893. The cubic root of 3287069 is about 148.6858386754.

The spelling of 3287069 in words is "three million, two hundred eighty-seven thousand, sixty-nine".

Divisors: 1 17 193357 3287069