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3000165 = 35728573
BaseRepresentation
bin1011011100011101100101
312122102110020
423130131211
51232001130
6144145353
734333560
oct13343545
95572406
103000165
11176a083
121008259
1381075c
145814d7
153e3e10
hex2dc765

3000165 has 16 divisors (see below), whose sum is σ = 5486208. Its totient is φ = 1371456.

The previous prime is 3000161. The next prime is 3000181. The reversal of 3000165 is 5610003.

It is not a de Polignac number, because 3000165 - 22 = 3000161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14182 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (342888).

Almost surely, 23000165 is an apocalyptic number.

3000165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3000165 is a deficient number, since it is larger than the sum of its proper divisors (2486043).

3000165 is a wasteful number, since it uses less digits than its factorization.

3000165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28588.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3000165 is about 1732.0984383112. The cubic root of 3000165 is about 144.2276011065.

Adding to 3000165 its reverse (5610003), we get a palindrome (8610168).

The spelling of 3000165 in words is "three million, one hundred sixty-five", and thus it is an aban number.

Divisors: 1 3 5 7 15 21 35 105 28573 85719 142865 200011 428595 600033 1000055 3000165