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8300681 = 71116911
BaseRepresentation
bin11111101010100010001001
3120121201101122
4133222202021
54111110211
6453525025
7130361144
oct37524211
916551348
108300681
11475a474
122943775
13194825c
14116105b
15ade6db
hex7ea889

8300681 has 4 divisors (see below), whose sum is σ = 8417664. Its totient is φ = 8183700.

The previous prime is 8300671. The next prime is 8300683. The reversal of 8300681 is 1860038.

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-8300681 is a prime.

It is a super-2 number, since 2×83006812 = 137802610127522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8300681.

It is not an unprimeable number, because it can be changed into a prime (8300683) 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, 58385 + ... + 58526.

It is an arithmetic number, because the mean of its divisors is an integer number (2104416).

Almost surely, 28300681 is an apocalyptic number.

It is an amenable number.

8300681 is a deficient number, since it is larger than the sum of its proper divisors (116983).

8300681 is a wasteful number, since it uses less digits than its factorization.

8300681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116982.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8300681 is about 2881.0902450288. The cubic root of 8300681 is about 202.4749224648.

The spelling of 8300681 in words is "eight million, three hundred thousand, six hundred eighty-one".

Divisors: 1 71 116911 8300681