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8105041 = 72251659
BaseRepresentation
bin11110111010110001010001
3120020210000201
4132322301101
54033330131
6445415201
7125614600
oct36726121
916223021
108105041
11463648a
12286a501
1318aa1a9
14110da37
15aa1761
hex7bac51

8105041 has 12 divisors (see below), whose sum is σ = 9480240. Its totient is φ = 6909000.

The previous prime is 8105021. The next prime is 8105047. The reversal of 8105041 is 1405018.

It is not a de Polignac number, because 8105041 - 213 = 8096849 is a prime.

It is a super-2 number, since 2×81050412 = 131383379223362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8105047) 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 11 ways as a sum of consecutive naturals, for example, 11970 + ... + 12628.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 28105041 is an apocalyptic number.

It is an amenable number.

8105041 is a deficient number, since it is larger than the sum of its proper divisors (1375199).

8105041 is a wasteful number, since it uses less digits than its factorization.

8105041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 8105041 is about 2846.9353698319. The cubic root of 8105041 is about 200.8715382553.

The spelling of 8105041 in words is "eight million, one hundred five thousand, forty-one".

Divisors: 1 7 49 251 659 1757 4613 12299 32291 165409 1157863 8105041