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3312389 is a prime number
BaseRepresentation
bin1100101000101100000101
320020021202002
430220230011
51321444024
6154555045
740104053
oct14505405
96207662
103312389
111962713
121138a85
138bc8c2
146231d3
154566ae
hex328b05

3312389 has 2 divisors, whose sum is σ = 3312390. Its totient is φ = 3312388.

The previous prime is 3312383. The next prime is 3312451. The reversal of 3312389 is 9832133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2696164 + 616225 = 1642^2 + 785^2 .

It is an emirp because it is prime and its reverse (9832133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3312389 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3312383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656194 + 1656195.

It is an arithmetic number, because the mean of its divisors is an integer number (1656195).

Almost surely, 23312389 is an apocalyptic number.

It is an amenable number.

3312389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312389 is an equidigital number, since it uses as much as digits as its factorization.

3312389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 3312389 is about 1819.9969780195. The cubic root of 3312389 is about 149.0666338602.

The spelling of 3312389 in words is "three million, three hundred twelve thousand, three hundred eighty-nine".