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8102680 = 235202567
BaseRepresentation
bin11110111010001100011000
3120020122210021
4132322030120
54033241210
6445400224
7125604655
oct36721430
916218707
108102680
114634733
122869074
1318a90b1
14110cc2c
15aa0bda
hex7ba318

8102680 has 16 divisors (see below), whose sum is σ = 18231120. Its totient is φ = 3241056.

The previous prime is 8102669. The next prime is 8102681. The reversal of 8102680 is 862018.

8102680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102681) 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, 101244 + ... + 101323.

It is an arithmetic number, because the mean of its divisors is an integer number (1139445).

Almost surely, 28102680 is an apocalyptic number.

It is an amenable number.

8102680 is an abundant number, since it is smaller than the sum of its proper divisors (10128440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8102680 is a wasteful number, since it uses less digits than its factorization.

8102680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202578 (or 202574 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8102680 is about 2846.5206832201. The cubic root of 8102680 is about 200.8520317219.

Adding to 8102680 its reverse (862018), we get a palindrome (8964698).

The spelling of 8102680 in words is "eight million, one hundred two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 202567 405134 810268 1012835 1620536 2025670 4051340 8102680