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3030013 = 7261837
BaseRepresentation
bin1011100011101111111101
312200221101201
423203233331
51233430023
6144535501
734516600
oct13435775
95627351
103030013
11178a548
121021591
1382120c
1458c337
153ecbad
hex2e3bfd

3030013 has 6 divisors (see below), whose sum is σ = 3524766. Its totient is φ = 2597112.

The previous prime is 3029981. The next prime is 3030017. The reversal of 3030013 is 3100303.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2393209 + 636804 = 1547^2 + 798^2 .

It is not a de Polignac number, because 3030013 - 25 = 3029981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30870 + ... + 30967.

It is an arithmetic number, because the mean of its divisors is an integer number (587461).

Almost surely, 23030013 is an apocalyptic number.

It is an amenable number.

3030013 is a deficient number, since it is larger than the sum of its proper divisors (494753).

3030013 is an equidigital number, since it uses as much as digits as its factorization.

3030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61851 (or 61844 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 3030013 is about 1740.6932527013. The cubic root of 3030013 is about 144.7043201791.

Adding to 3030013 its reverse (3100303), we get a palindrome (6130316).

The spelling of 3030013 in words is "three million, thirty thousand, thirteen".

Divisors: 1 7 49 61837 432859 3030013