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230709 = 3531451
BaseRepresentation
bin111000010100110101
3102201110210
4320110311
524340314
64540033
71650423
oct702465
9381423
10230709
11148376
12b1619
138101b
1460113
1548559
hex38535

230709 has 8 divisors (see below), whose sum is σ = 313632. Its totient is φ = 150800.

The previous prime is 230693. The next prime is 230719. The reversal of 230709 is 907032.

230709 is digitally balanced in base 2 and base 7, because in such bases 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 cyclic number.

It is not a de Polignac number, because 230709 - 24 = 230693 is a prime.

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

230709 is strictly pandigital in base 7.

230709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 884.

It is an arithmetic number, because the mean of its divisors is an integer number (39204).

2230709 is an apocalyptic number.

It is an amenable number.

230709 is a deficient number, since it is larger than the sum of its proper divisors (82923).

230709 is a wasteful number, since it uses less digits than its factorization.

230709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 230709 is about 480.3217671520. The cubic root of 230709 is about 61.3321485541.

It can be divided in two parts, 230 and 709, that added together give a palindrome (939).

The spelling of 230709 in words is "two hundred thirty thousand, seven hundred nine".

Divisors: 1 3 53 159 1451 4353 76903 230709