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3240987 = 31080329
BaseRepresentation
bin1100010111010000011011
320002122210120
430113100123
51312202422
6153244323
736355641
oct14272033
96078716
103240987
111914002
1211036a3
13896259
14605191
1544045c
hex31741b

3240987 has 4 divisors (see below), whose sum is σ = 4321320. Its totient is φ = 2160656.

The previous prime is 3240983. The next prime is 3241093. The reversal of 3240987 is 7890423.

3240987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3240987 - 22 = 3240983 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3240983) 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 3 ways as a sum of consecutive naturals, for example, 540162 + ... + 540167.

It is an arithmetic number, because the mean of its divisors is an integer number (1080330).

Almost surely, 23240987 is an apocalyptic number.

3240987 is a deficient number, since it is larger than the sum of its proper divisors (1080333).

3240987 is a wasteful number, since it uses less digits than its factorization.

3240987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080332.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3240987 is about 1800.2741457900. The cubic root of 3240987 is about 147.9877485598.

The spelling of 3240987 in words is "three million, two hundred forty thousand, nine hundred eighty-seven".

Divisors: 1 3 1080329 3240987