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3242005 = 51349877
BaseRepresentation
bin1100010111100000010101
320002201012021
430113200111
51312221010
6153253141
736361624
oct14274025
96081167
103242005
111914848
1211041b1
13896860
146056bb
154408da
hex317815

3242005 has 8 divisors (see below), whose sum is σ = 4189752. Its totient is φ = 2394048.

The previous prime is 3241981. The next prime is 3242009. The reversal of 3242005 is 5002423.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 3122289 = 346^2 + 1767^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3242005 - 27 = 3241877 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3242005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24874 + ... + 25003.

It is an arithmetic number, because the mean of its divisors is an integer number (523719).

Almost surely, 23242005 is an apocalyptic number.

It is an amenable number.

3242005 is a deficient number, since it is larger than the sum of its proper divisors (947747).

3242005 is a wasteful number, since it uses less digits than its factorization.

3242005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49895.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3242005 is about 1800.5568583080. The cubic root of 3242005 is about 148.0032413461.

Adding to 3242005 its reverse (5002423), we get a palindrome (8244428).

The spelling of 3242005 in words is "three million, two hundred forty-two thousand, five".

Divisors: 1 5 13 65 49877 249385 648401 3242005