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230312522 = 211101103651
BaseRepresentation
bin11011011101001…
…00101001001010
3121001101002101102
431232210221022
5432430000042
634504221402
75464424036
oct1556445112
9531332342
10230312522
11109007230
126516a862
133893b5cb
14228331c6
1515345b32
hexdba4a4a

230312522 has 16 divisors (see below), whose sum is σ = 380610144. Its totient is φ = 103650000.

The previous prime is 230312521. The next prime is 230312543. The reversal of 230312522 is 225213032.

230312522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230312494 and 230312503.

It is not an unprimeable number, because it can be changed into a prime (230312521) 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, 49604 + ... + 54047.

It is an arithmetic number, because the mean of its divisors is an integer number (23788134).

Almost surely, 2230312522 is an apocalyptic number.

230312522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

230312522 is a deficient number, since it is larger than the sum of its proper divisors (150297622).

230312522 is a wasteful number, since it uses less digits than its factorization.

230312522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103765.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230312522 is about 15176.0509356025. The cubic root of 230312522 is about 612.9699490372.

Adding to 230312522 its reverse (225213032), we get a palindrome (455525554).

The spelling of 230312522 in words is "two hundred thirty million, three hundred twelve thousand, five hundred twenty-two".

Divisors: 1 2 11 22 101 202 1111 2222 103651 207302 1140161 2280322 10468751 20937502 115156261 230312522