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8190013 = 13679403
BaseRepresentation
bin11111001111100000111101
3120102002120211
4133033200331
54044040023
6451312421
7126420406
oct37174075
916362524
108190013
114694307
1228ab711
131909a80
1411329ad
15abba0d
hex7cf83d

8190013 has 8 divisors (see below), whose sum is σ = 8952608. Its totient is φ = 7446384.

The previous prime is 8190011. The next prime is 8190029. The reversal of 8190013 is 3100918.

8190013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8190013 - 21 = 8190011 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 (8190011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (1119076).

Almost surely, 28190013 is an apocalyptic number.

It is an amenable number.

8190013 is a deficient number, since it is larger than the sum of its proper divisors (762595).

8190013 is a wasteful number, since it uses less digits than its factorization.

8190013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 8190013 is about 2861.8198755337. The cubic root of 8190013 is about 201.5710680772.

The spelling of 8190013 in words is "eight million, one hundred ninety thousand, thirteen".

Divisors: 1 13 67 871 9403 122239 630001 8190013