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3240281 = 111072753
BaseRepresentation
bin1100010111000101011001
320002121211102
430113011121
51312142111
6153241145
736353612
oct14270531
96077742
103240281
111913520
1211031b5
13895b35
14604c09
1544013b
hex317159

3240281 has 8 divisors (see below), whose sum is σ = 3569184. Its totient is φ = 2917120.

The previous prime is 3240269. The next prime is 3240283. The reversal of 3240281 is 1820423.

3240281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3240281 is a prime.

It is a super-2 number, since 2×32402812 = 20998841917922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3240283) 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 7 ways as a sum of consecutive naturals, for example, 200 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (446148).

Almost surely, 23240281 is an apocalyptic number.

It is an amenable number.

3240281 is a deficient number, since it is larger than the sum of its proper divisors (328903).

3240281 is a wasteful number, since it uses less digits than its factorization.

3240281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3240281 is about 1800.0780538632. The cubic root of 3240281 is about 147.9770021485.

The spelling of 3240281 in words is "three million, two hundred forty thousand, two hundred eighty-one".

Divisors: 1 11 107 1177 2753 30283 294571 3240281