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8104117 = 71398329
BaseRepresentation
bin11110111010100010110101
3120020201202111
4132322202311
54033312432
6445411021
7125612110
oct36724265
916221674
108104117
11463581a
122869a71
1318a9948
14110d577
15aa1347
hex7ba8b5

8104117 has 8 divisors (see below), whose sum is σ = 9329600. Its totient is φ = 6895584.

The previous prime is 8104111. The next prime is 8104123. The reversal of 8104117 is 7114018.

8104117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8104111) and next prime (8104123).

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

It is a cyclic number.

It is not a de Polignac number, because 8104117 - 219 = 7579829 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8104111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3192 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (1166200).

Almost surely, 28104117 is an apocalyptic number.

It is an amenable number.

8104117 is a deficient number, since it is larger than the sum of its proper divisors (1225483).

8104117 is a wasteful number, since it uses less digits than its factorization.

8104117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 8104117 is about 2846.7730854425. The cubic root of 8104117 is about 200.8639046376.

Subtracting from 8104117 its reverse (7114018), we obtain a palindrome (990099).

The spelling of 8104117 in words is "eight million, one hundred four thousand, one hundred seventeen".

Divisors: 1 7 139 973 8329 58303 1157731 8104117