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230140052 = 22411817753
BaseRepresentation
bin11011011011110…
…10100010010100
3121001001022210122
431231322202110
5432403440202
634500411112
75463105152
oct1555724224
9531038718
10230140052
111089a969a
12650a6a98
13388aac5c
14227ca3d2
151530e9a2
hexdb7a894

230140052 has 24 divisors (see below), whose sum is σ = 414901032. Its totient is φ = 111628800.

The previous prime is 230140051. The next prime is 230140081. The reversal of 230140052 is 250041032.

230140052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3818116 + 226321936 = 1954^2 + 15044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230140052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230140051) 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, 25808 + ... + 33560.

It is an arithmetic number, because the mean of its divisors is an integer number (17287543).

Almost surely, 2230140052 is an apocalyptic number.

It is an amenable number.

230140052 is a deficient number, since it is larger than the sum of its proper divisors (184760980).

230140052 is a wasteful number, since it uses less digits than its factorization.

230140052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979 (or 7977 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 230140052 is about 15170.3675631146. The cubic root of 230140052 is about 612.8169028973.

Adding to 230140052 its reverse (250041032), we get a palindrome (480181084).

The spelling of 230140052 in words is "two hundred thirty million, one hundred forty thousand, fifty-two".

Divisors: 1 2 4 41 82 164 181 362 724 7421 7753 14842 15506 29684 31012 317873 635746 1271492 1403293 2806586 5613172 57535013 115070026 230140052