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230998 = 2115499
BaseRepresentation
bin111000011001010110
3102201212111
4320121112
524342443
64541234
71651315
oct703126
9381774
10230998
11148609
12b181a
13811b1
146027c
154869d
hex38656

230998 has 4 divisors (see below), whose sum is σ = 346500. Its totient is φ = 115498.

The previous prime is 230977. The next prime is 230999. The reversal of 230998 is 899032.

It is a happy number.

230998 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.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 57748 + ... + 57751.

It is an arithmetic number, because the mean of its divisors is an integer number (86625).

2230998 is an apocalyptic number.

230998 is a deficient number, since it is larger than the sum of its proper divisors (115502).

230998 is a wasteful number, since it uses less digits than its factorization.

230998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115501.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 230998 is about 480.6225129975. The cubic root of 230998 is about 61.3577473170.

The spelling of 230998 in words is "two hundred thirty thousand, nine hundred ninety-eight".

Divisors: 1 2 115499 230998