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230524142 = 2233494687
BaseRepresentation
bin11011011110110…
…00010011101110
3121001202211200012
431233120103232
5433003233032
634512533222
75466265022
oct1557302356
9531684605
10230524142
11109141222
1265251212
13389b3a24
142288a382
15153886b2
hexdbd84ee

230524142 has 8 divisors (see below), whose sum is σ = 347270976. Its totient is φ = 114767152.

The previous prime is 230524141. The next prime is 230524211. The reversal of 230524142 is 241425032.

It is a happy number.

230524142 is digitally balanced in base 3, because in such base 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (230524141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246878 + ... + 247809.

It is an arithmetic number, because the mean of its divisors is an integer number (43408872).

Almost surely, 2230524142 is an apocalyptic number.

230524142 is a deficient number, since it is larger than the sum of its proper divisors (116746834).

230524142 is a wasteful number, since it uses less digits than its factorization.

230524142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494922.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 230524142 is about 15183.0215042988. The cubic root of 230524142 is about 613.1576316842.

Adding to 230524142 its reverse (241425032), we get a palindrome (471949174).

The spelling of 230524142 in words is "two hundred thirty million, five hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 233 466 494687 989374 115262071 230524142