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3287041 = 13723993
BaseRepresentation
bin1100100010100000000001
320011222222021
430202200001
51320141131
6154241441
736640132
oct14424001
96158867
103287041
11194566a
121126281
138b11c4
14617c89
1544de11
hex322801

3287041 has 4 divisors (see below), whose sum is σ = 3311172. Its totient is φ = 3262912.

The previous prime is 3287033. The next prime is 3287047. The reversal of 3287041 is 1407823.

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

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 2640625 = 804^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287041 - 23 = 3287033 is a prime.

It is a Duffinian number.

3287041 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3286997 and 3287015.

It is not an unprimeable number, because it can be changed into a prime (3287047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11860 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (827793).

It is a Proth number, since it is equal to 1605 ⋅ 211 + 1 and 1605 < 211.

Almost surely, 23287041 is an apocalyptic number.

It is an amenable number.

3287041 is a deficient number, since it is larger than the sum of its proper divisors (24131).

3287041 is a wasteful number, since it uses less digits than its factorization.

3287041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24130.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3287041 is about 1813.0198564825. The cubic root of 3287041 is about 148.6854164943.

The spelling of 3287041 in words is "three million, two hundred eighty-seven thousand, forty-one".

Divisors: 1 137 23993 3287041