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3287141 = 1113127181
BaseRepresentation
bin1100100010100001100101
320012000002222
430202201211
51320142031
6154242125
736640334
oct14424145
96160088
103287141
111945750
121126345
138b1270
14617d1b
1544de7b
hex322865

3287141 has 16 divisors (see below), whose sum is σ = 3913728. Its totient is φ = 2721600.

The previous prime is 3287101. The next prime is 3287143. The reversal of 3287141 is 1417823.

It is a cyclic number.

It is not a de Polignac number, because 3287141 - 26 = 3287077 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3287141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18071 + ... + 18251.

It is an arithmetic number, because the mean of its divisors is an integer number (244608).

Almost surely, 23287141 is an apocalyptic number.

It is an amenable number.

3287141 is a deficient number, since it is larger than the sum of its proper divisors (626587).

3287141 is a wasteful number, since it uses less digits than its factorization.

3287141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 1344, while the sum is 26.

The square root of 3287141 is about 1813.0474345698. The cubic root of 3287141 is about 148.6869242729.

The spelling of 3287141 in words is "three million, two hundred eighty-seven thousand, one hundred forty-one".

Divisors: 1 11 13 127 143 181 1397 1651 1991 2353 18161 22987 25883 252857 298831 3287141