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3240387 = 321721179
BaseRepresentation
bin1100010111000111000011
320002121222100
430113013003
51312143022
6153241443
736354123
oct14270703
96077870
103240387
111913607
121103283
13895bb7
14604c83
154401ac
hex3171c3

3240387 has 12 divisors (see below), whose sum is σ = 4956120. Its totient is φ = 2033088.

The previous prime is 3240371. The next prime is 3240389. The reversal of 3240387 is 7830423.

3240387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3240387 - 24 = 3240371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3240387.

It is not an unprimeable number, because it can be changed into a prime (3240389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10437 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (413010).

Almost surely, 23240387 is an apocalyptic number.

3240387 is a deficient number, since it is larger than the sum of its proper divisors (1715733).

3240387 is a wasteful number, since it uses less digits than its factorization.

3240387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202 (or 21199 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3240387 is about 1800.1074967901. The cubic root of 3240387 is about 147.9786157319.

The spelling of 3240387 in words is "three million, two hundred forty thousand, three hundred eighty-seven".

Divisors: 1 3 9 17 51 153 21179 63537 190611 360043 1080129 3240387