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108000089 = 2911332957
BaseRepresentation
bin1100110111111…
…11001101011001
321112012222021022
412123333031121
5210122000324
614414452225
72450662031
oct633771531
9245188238
10108000089
1155a6607a
1230204075
13194b4ca2
14104b48c1
15973505e
hex66ff359

108000089 has 8 divisors (see below), whose sum is σ = 112716360. Its totient is φ = 103350016.

The previous prime is 108000071. The next prime is 108000103. The reversal of 108000089 is 980000801.

It can be written as a sum of positive squares in 4 ways, for example, as 15936064 + 92064025 = 3992^2 + 9595^2 .

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 108000089 - 28 = 107999833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108000289) 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, 13202 + ... + 19755.

It is an arithmetic number, because the mean of its divisors is an integer number (14089545).

Almost surely, 2108000089 is an apocalyptic number.

It is an amenable number.

108000089 is a deficient number, since it is larger than the sum of its proper divisors (4716271).

108000089 is a wasteful number, since it uses less digits than its factorization.

108000089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33099.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 108000089 is about 10392.3091274269. The cubic root of 108000089 is about 476.2204464040.

The spelling of 108000089 in words is "one hundred eight million, eighty-nine", and thus it is an aban number.

Divisors: 1 29 113 3277 32957 955753 3724141 108000089