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16028013 = 333116141
BaseRepresentation
bin111101001001…
…000101101101
31010011022022010
4331021011231
513100344023
61331311433
7253143621
oct75110555
933138263
1016028013
1190580a1
12544b579
133422541
1421b3181
151619093
hexf4916d

16028013 has 8 divisors (see below), whose sum is σ = 21436576. Its totient is φ = 10652400.

The previous prime is 16028011. The next prime is 16028017. The reversal of 16028013 is 31082061.

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

It is not a de Polignac number, because 16028013 - 21 = 16028011 is a prime.

It is the 4004-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16028011) by changing a digit.

It is a nontrivial repunit in base 4003.

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 7 ways as a sum of consecutive naturals, for example, 7078 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (2679572).

Almost surely, 216028013 is an apocalyptic number.

It is an amenable number.

16028013 is a deficient number, since it is larger than the sum of its proper divisors (5408563).

16028013 is a wasteful number, since it uses less digits than its factorization.

16028013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16475.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 16028013 is about 4003.5000936680. The cubic root of 16028013 is about 252.1311832730.

The spelling of 16028013 in words is "sixteen million, twenty-eight thousand, thirteen".

Divisors: 1 3 331 993 16141 48423 5342671 16028013