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230757 = 376919
BaseRepresentation
bin111000010101100101
3102201112120
4320111211
524341012
64540153
71650522
oct702545
9381476
10230757
1114840a
12b1659
1381057
1460149
154858c
hex38565

230757 has 4 divisors (see below), whose sum is σ = 307680. Its totient is φ = 153836.

The previous prime is 230743. The next prime is 230761. The reversal of 230757 is 757032.

230757 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 230757 - 26 = 230693 is a prime.

It is a D-number.

230757 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230767) 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, 38457 + ... + 38462.

It is an arithmetic number, because the mean of its divisors is an integer number (76920).

2230757 is an apocalyptic number.

It is an amenable number.

230757 is a deficient number, since it is larger than the sum of its proper divisors (76923).

230757 is an equidigital number, since it uses as much as digits as its factorization.

230757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76922.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 230757 is about 480.3717310584. The cubic root of 230757 is about 61.3364017316.

Adding to 230757 its reverse (757032), we get a palindrome (987789).

The spelling of 230757 in words is "two hundred thirty thousand, seven hundred fifty-seven".

Divisors: 1 3 76919 230757