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8680885 = 51736177
BaseRepresentation
bin100001000111…
…010110110101
3121100000221021
4201013112311
54210242020
6510021141
7133533463
oct41072665
917300837
108680885
11499a094
122aa77b1
131a4c325
14121d833
15b671aa
hex8475b5

8680885 has 4 divisors (see below), whose sum is σ = 10417068. Its totient is φ = 6944704.

The previous prime is 8680871. The next prime is 8680901. The reversal of 8680885 is 5880868.

8680885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1423249 + 7257636 = 1193^2 + 2694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8680885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868084 + ... + 868093.

It is an arithmetic number, because the mean of its divisors is an integer number (2604267).

Almost surely, 28680885 is an apocalyptic number.

It is an amenable number.

8680885 is a deficient number, since it is larger than the sum of its proper divisors (1736183).

8680885 is a wasteful number, since it uses less digits than its factorization.

8680885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736182.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 8680885 is about 2946.3341629897. The cubic root of 8680885 is about 205.5202727636.

The spelling of 8680885 in words is "eight million, six hundred eighty thousand, eight hundred eighty-five".

Divisors: 1 5 1736177 8680885