Search a number
-
+
8108128 = 25725171
BaseRepresentation
bin11110111011100001100000
3120020221021001
4132323201200
54033430003
6445441344
7125626600
oct36734140
916227231
108108128
114638836
122870254
1318ab712
141110c00
15aa261d
hex7bb860

8108128 has 36 divisors (see below), whose sum is σ = 18572652. Its totient is φ = 3474240.

The previous prime is 8108083. The next prime is 8108137. The reversal of 8108128 is 8218018.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 8108096 and 8108105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1018 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (515907).

Almost surely, 28108128 is an apocalyptic number.

It is an amenable number.

8108128 is an abundant number, since it is smaller than the sum of its proper divisors (10464524).

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

8108128 is a wasteful number, since it uses less digits than its factorization.

8108128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5180 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 8108128 is about 2847.4774801568. The cubic root of 8108128 is about 200.8970372721.

The spelling of 8108128 in words is "eight million, one hundred eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 5171 10342 20684 36197 41368 72394 82736 144788 165472 253379 289576 506758 579152 1013516 1158304 2027032 4054064 8108128