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8105001 = 319142193
BaseRepresentation
bin11110111010110000101001
3120020202222020
4132322300221
54033330001
6445415053
7125614512
oct36726051
916222866
108105001
114636453
12286a489
1318aa178
14110da09
15aa1736
hex7bac29

8105001 has 8 divisors (see below), whose sum is σ = 11375520. Its totient is φ = 5118912.

The previous prime is 8104991. The next prime is 8105017. The reversal of 8105001 is 1005018.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8105001 - 217 = 7973929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8105021) 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 7 ways as a sum of consecutive naturals, for example, 71040 + ... + 71153.

It is an arithmetic number, because the mean of its divisors is an integer number (1421940).

Almost surely, 28105001 is an apocalyptic number.

It is an amenable number.

8105001 is a deficient number, since it is larger than the sum of its proper divisors (3270519).

8105001 is a wasteful number, since it uses less digits than its factorization.

8105001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142215.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 8105001 is about 2846.9283447252. The cubic root of 8105001 is about 200.8712078077.

The spelling of 8105001 in words is "eight million, one hundred five thousand, one".

Divisors: 1 3 19 57 142193 426579 2701667 8105001