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3102013 = 10130713
BaseRepresentation
bin1011110101010100111101
312211121011101
423311110331
51243231023
6150253101
735236525
oct13652475
95747141
103102013
111829652
121057191
13847c15
145aa685
154141ad
hex2f553d

3102013 has 4 divisors (see below), whose sum is σ = 3132828. Its totient is φ = 3071200.

The previous prime is 3101999. The next prime is 3102017.

3102013 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2896804 + 205209 = 1702^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 3102013 - 217 = 2970941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102017) 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, 15256 + ... + 15457.

It is an arithmetic number, because the mean of its divisors is an integer number (783207).

Almost surely, 23102013 is an apocalyptic number.

It is an amenable number.

3102013 is a deficient number, since it is larger than the sum of its proper divisors (30815).

3102013 is a wasteful number, since it uses less digits than its factorization.

3102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30814.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 3102013 is about 1761.2532469807. The cubic root of 3102013 is about 145.8415275577.

The spelling of 3102013 in words is "three million, one hundred two thousand, thirteen".

Divisors: 1 101 30713 3102013