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9992089 = 14967061
BaseRepresentation
bin100110000111…
…011110011001
3200210122120101
4212013132121
510024221324
6554055401
7150634312
oct46073631
920718511
109992089
115705228
12341a561
1320bb0a3
141481609
15d25944
hex987799

9992089 has 4 divisors (see below), whose sum is σ = 10059300. Its totient is φ = 9924880.

The previous prime is 9992083. The next prime is 9992113. The reversal of 9992089 is 9802999.

It is a happy number.

9992089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9802999 = 17576647.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 7840000 = 1467^2 + 2800^2 .

It is a cyclic number.

It is not a de Polignac number, because 9992089 - 25 = 9992057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992083) 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, 33382 + ... + 33679.

It is an arithmetic number, because the mean of its divisors is an integer number (2514825).

Almost surely, 29992089 is an apocalyptic number.

It is an amenable number.

9992089 is a deficient number, since it is larger than the sum of its proper divisors (67211).

9992089 is a wasteful number, since it uses less digits than its factorization.

9992089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67210.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 9992089 is about 3161.0265737573. The cubic root of 9992089 is about 215.3866415724.

The spelling of 9992089 in words is "nine million, nine hundred ninety-two thousand, eighty-nine".

Divisors: 1 149 67061 9992089