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108086471 = 109991619
BaseRepresentation
bin1100111000101…
…00010011000111
321112101100202122
412130110103013
5210132231341
614420400155
72451501623
oct634242307
9245340678
10108086471
1156014a69
123024605b
13195153bc
14104d8183
15975094b
hex67144c7

108086471 has 4 divisors (see below), whose sum is σ = 109078200. Its totient is φ = 107094744.

The previous prime is 108086389. The next prime is 108086479. The reversal of 108086471 is 174680801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174680801 = 971800833.

It is a cyclic number.

It is not a de Polignac number, because 108086471 - 214 = 108070087 is a prime.

It is a super-3 number, since 3×1080864713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108086479) 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 3 ways as a sum of consecutive naturals, for example, 495701 + ... + 495918.

It is an arithmetic number, because the mean of its divisors is an integer number (27269550).

Almost surely, 2108086471 is an apocalyptic number.

108086471 is a deficient number, since it is larger than the sum of its proper divisors (991729).

108086471 is an equidigital number, since it uses as much as digits as its factorization.

108086471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991728.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 108086471 is about 10396.4643509224. The cubic root of 108086471 is about 476.3473781264.

The spelling of 108086471 in words is "one hundred eight million, eighty-six thousand, four hundred seventy-one".

Divisors: 1 109 991619 108086471