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230990 = 2523099
BaseRepresentation
bin111000011001001110
3102201212012
4320121032
524342430
64541222
71651304
oct703116
9381765
10230990
11148601
12b1812
13811a6
1460274
1548695
hex3864e

230990 has 8 divisors (see below), whose sum is σ = 415800. Its totient is φ = 92392.

The previous prime is 230977. The next prime is 230999. The reversal of 230990 is 99032.

230990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230999) 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, 11540 + ... + 11559.

It is an arithmetic number, because the mean of its divisors is an integer number (51975).

2230990 is an apocalyptic number.

230990 is a deficient number, since it is larger than the sum of its proper divisors (184810).

230990 is a wasteful number, since it uses less digits than its factorization.

230990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23106.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 230990 is about 480.6141903856. The cubic root of 230990 is about 61.3570389881.

The spelling of 230990 in words is "two hundred thirty thousand, nine hundred ninety".

Divisors: 1 2 5 10 23099 46198 115495 230990