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9230989 = 41922031
BaseRepresentation
bin100011001101…
…101010001101
3122100222112111
4203031222031
54330342424
6525504021
7141314335
oct43155215
918328474
109230989
115235419
123112011
131bb2831
1413240c5
15c25194
hex8cda8d

9230989 has 4 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 9208540.

The previous prime is 9230987. The next prime is 9230999. The reversal of 9230989 is 9890329.

It is a happy number.

9230989 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9230989 - 21 = 9230987 is a prime.

It is a super-2 number, since 2×92309892 = 170422315836242, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9230987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10597 + ... + 11434.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 29230989 is an apocalyptic number.

It is an amenable number.

9230989 is a deficient number, since it is larger than the sum of its proper divisors (22451).

9230989 is a wasteful number, since it uses less digits than its factorization.

9230989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 9230989 is about 3038.2542684904. The cubic root of 9230989 is about 209.7729140124.

The spelling of 9230989 in words is "nine million, two hundred thirty thousand, nine hundred eighty-nine".

Divisors: 1 419 22031 9230989