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3331387 = 9833389
BaseRepresentation
bin1100101101010100111011
320021020210201
430231110323
51323101022
6155223031
740213333
oct14552473
96236721
103331387
111975a14
121147a77
138c8447
1462a0c3
1545c127
hex32d53b

3331387 has 4 divisors (see below), whose sum is σ = 3335760. Its totient is φ = 3327016.

The previous prime is 3331381. The next prime is 3331399. The reversal of 3331387 is 7831333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7831333 = 53147761.

It is a cyclic number.

It is not a de Polignac number, because 3331387 - 215 = 3298619 is a prime.

It is a super-2 number, since 2×33313872 = 22196278687538, which contains 22 as substring.

It is a Duffinian number.

3331387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3331381) 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, 712 + ... + 2677.

It is an arithmetic number, because the mean of its divisors is an integer number (833940).

Almost surely, 23331387 is an apocalyptic number.

3331387 is a deficient number, since it is larger than the sum of its proper divisors (4373).

3331387 is an equidigital number, since it uses as much as digits as its factorization.

3331387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372.

The product of its digits is 4536, while the sum is 28.

The square root of 3331387 is about 1825.2087551839. The cubic root of 3331387 is about 149.3510781998.

The spelling of 3331387 in words is "three million, three hundred thirty-one thousand, three hundred eighty-seven".

Divisors: 1 983 3389 3331387