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3000513 = 31000171
BaseRepresentation
bin1011011100100011000001
312122102221010
423130203001
51232004023
6144151133
734334565
oct13344301
95572833
103000513
11176a36a
1210084a9
13810969
145816a5
153e4093
hex2dc8c1

3000513 has 4 divisors (see below), whose sum is σ = 4000688. Its totient is φ = 2000340.

The previous prime is 3000479. The next prime is 3000523. The reversal of 3000513 is 3150003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3000513 - 213 = 2992321 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3000523) 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, 500083 + ... + 500088.

It is an arithmetic number, because the mean of its divisors is an integer number (1000172).

Almost surely, 23000513 is an apocalyptic number.

It is an amenable number.

3000513 is a deficient number, since it is larger than the sum of its proper divisors (1000175).

3000513 is a wasteful number, since it uses less digits than its factorization.

3000513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000174.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 3000513 is about 1732.1988915826. The cubic root of 3000513 is about 144.2331773847.

Adding to 3000513 its reverse (3150003), we get a palindrome (6150516).

The spelling of 3000513 in words is "three million, five hundred thirteen", and thus it is an aban number.

Divisors: 1 3 1000171 3000513