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8142159 = 33896977
BaseRepresentation
bin11111000011110101001111
3120022122221110
4133003311033
54041022114
6450303103
7126131034
oct37036517
916278843
108142159
114661363
122887a93
1318c105c
14111d38b
15aac759
hex7c3d4f

8142159 has 8 divisors (see below), whose sum is σ = 10885680. Its totient is φ = 5413376.

The previous prime is 8142157. The next prime is 8142221. The reversal of 8142159 is 9512418.

It is a happy number.

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 8142159 - 21 = 8142157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142151) 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, 2322 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (1360710).

Almost surely, 28142159 is an apocalyptic number.

8142159 is a deficient number, since it is larger than the sum of its proper divisors (2743521).

8142159 is a wasteful number, since it uses less digits than its factorization.

8142159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369.

The product of its digits is 2880, while the sum is 30.

The square root of 8142159 is about 2853.4468630062. The cubic root of 8142159 is about 201.1777097200.

The spelling of 8142159 in words is "eight million, one hundred forty-two thousand, one hundred fifty-nine".

Divisors: 1 3 389 1167 6977 20931 2714053 8142159