Search a number
-
+
8108001 = 321181899
BaseRepresentation
bin11110111011011111100001
3120020221002100
4132323133201
54033424001
6445441013
7125626326
oct36733741
916227070
108108001
114638730
122870169
1318ab645
141110b4d
15aa2586
hex7bb7e1

8108001 has 12 divisors (see below), whose sum is σ = 12776400. Its totient is φ = 4913880.

The previous prime is 8107999. The next prime is 8108011. The reversal of 8108001 is 1008018.

It is a happy number.

It is not a de Polignac number, because 8108001 - 21 = 8107999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8108011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40851 + ... + 41048.

It is an arithmetic number, because the mean of its divisors is an integer number (1064700).

Almost surely, 28108001 is an apocalyptic number.

It is an amenable number.

8108001 is a deficient number, since it is larger than the sum of its proper divisors (4668399).

8108001 is a wasteful number, since it uses less digits than its factorization.

8108001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81916 (or 81913 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 8108001 is about 2847.4551796297. The cubic root of 8108001 is about 200.8959883635.

The spelling of 8108001 in words is "eight million, one hundred eight thousand, one".

Divisors: 1 3 9 11 33 99 81899 245697 737091 900889 2702667 8108001