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230488 = 2347613
BaseRepresentation
bin111000010001011000
3102201011121
4320101120
524333423
64535024
71646656
oct702130
9381147
10230488
11148195
12b1474
1380bab
145ddd6
154845d
hex38458

230488 has 16 divisors (see below), whose sum is σ = 442080. Its totient is φ = 112608.

The previous prime is 230479. The next prime is 230501. The reversal of 230488 is 884032.

It is a congruent number.

It is an unprimeable number.

230488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (27630).

2230488 is an apocalyptic number.

It is an amenable number.

230488 is a deficient number, since it is larger than the sum of its proper divisors (211592).

230488 is a wasteful number, since it uses less digits than its factorization.

230488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 230488 is about 480.0916579154. The cubic root of 230488 is about 61.3125586015.

The spelling of 230488 in words is "two hundred thirty thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 47 94 188 376 613 1226 2452 4904 28811 57622 115244 230488