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8000713 = 71142959
BaseRepresentation
bin11110100001010011001001
3120001110220201
4132201103021
54022010323
6443252201
7125001460
oct36412311
916043821
108000713
114575066
12281a061
131871866
1410c39d7
15a808ad
hex7a14c9

8000713 has 4 divisors (see below), whose sum is σ = 9143680. Its totient is φ = 6857748.

The previous prime is 8000689. The next prime is 8000719. The reversal of 8000713 is 3170008.

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 a de Polignac number, because none of the positive numbers 2k-8000713 is a prime.

It is a super-2 number, since 2×80007132 = 128022817016738, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571473 + ... + 571486.

It is an arithmetic number, because the mean of its divisors is an integer number (2285920).

Almost surely, 28000713 is an apocalyptic number.

It is an amenable number.

8000713 is a deficient number, since it is larger than the sum of its proper divisors (1142967).

8000713 is a wasteful number, since it uses less digits than its factorization.

8000713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142966.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 8000713 is about 2828.5531637217. The cubic root of 8000713 is about 200.0059414902.

The spelling of 8000713 in words is "eight million, seven hundred thirteen", and thus it is an aban number.

Divisors: 1 7 1142959 8000713