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9106091 = 232831399
BaseRepresentation
bin100010101111…
…001010101011
3122010122012122
4202233022223
54312343331
6523101455
7140254241
oct42571253
918118178
109106091
11515a5a5
12307188b
131b6aa27
1412d0791
15bed17b
hex8af2ab

9106091 has 8 divisors (see below), whose sum is σ = 9542400. Its totient is φ = 8673192.

The previous prime is 9106081. The next prime is 9106099. The reversal of 9106091 is 1906019.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9106091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9106091.

It is not an unprimeable number, because it can be changed into a prime (9106099) 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 7 ways as a sum of consecutive naturals, for example, 5810 + ... + 7208.

It is an arithmetic number, because the mean of its divisors is an integer number (1192800).

Almost surely, 29106091 is an apocalyptic number.

9106091 is a deficient number, since it is larger than the sum of its proper divisors (436309).

9106091 is a wasteful number, since it uses less digits than its factorization.

9106091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 9106091 is about 3017.6300303384. The cubic root of 9106091 is about 208.8225182209.

The spelling of 9106091 in words is "nine million, one hundred six thousand, ninety-one".

Divisors: 1 23 283 1399 6509 32177 395917 9106091