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8192013 = 32730671
BaseRepresentation
bin11111010000000000001101
3120102012022220
4133100000031
54044121023
6451325553
7126426264
oct37200015
916365286
108192013
114695865
1228b08b9
13190a95b
1411335db
15abc3e3
hex7d000d

8192013 has 4 divisors (see below), whose sum is σ = 10922688. Its totient is φ = 5461340.

The previous prime is 8192003. The next prime is 8192033. The reversal of 8192013 is 3102918.

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 a cyclic number.

It is not a de Polignac number, because 8192013 - 218 = 7929869 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8192003) 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, 1365333 + ... + 1365338.

It is an arithmetic number, because the mean of its divisors is an integer number (2730672).

Almost surely, 28192013 is an apocalyptic number.

It is an amenable number.

8192013 is a deficient number, since it is larger than the sum of its proper divisors (2730675).

8192013 is a wasteful number, since it uses less digits than its factorization.

8192013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730674.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 8192013 is about 2862.1692822054. The cubic root of 8192013 is about 201.5874746171.

The spelling of 8192013 in words is "eight million, one hundred ninety-two thousand, thirteen".

Divisors: 1 3 2730671 8192013