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8005108 = 22712397
BaseRepresentation
bin11110100010010111110100
3120001200221111
4132202113310
54022130413
6443324404
7125020336
oct36422764
916050844
108005108
1145783a1
122820704
131873867
1410c5456
15a81d3d
hex7a25f4

8005108 has 18 divisors (see below), whose sum is σ = 14244818. Its totient is φ = 3936240.

The previous prime is 8005103. The next prime is 8005117. The reversal of 8005108 is 8015008.

8005108 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 725904 = 2698^2 + 852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19966 + ... + 20362.

Almost surely, 28005108 is an apocalyptic number.

It is an amenable number.

8005108 is a deficient number, since it is larger than the sum of its proper divisors (6239710).

8005108 is a wasteful number, since it uses less digits than its factorization.

8005108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 8005108 is about 2829.3299560143. The cubic root of 8005108 is about 200.0425576103.

The spelling of 8005108 in words is "eight million, five thousand, one hundred eight".

Divisors: 1 2 4 71 142 284 397 794 1588 5041 10082 20164 28187 56374 112748 2001277 4002554 8005108