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230415054 = 2371953411
BaseRepresentation
bin11011011101111…
…01101011001110
3121001120022000220
431232331223032
5432441240204
634510332210
75465332002
oct1556755316
9531508026
10230415054
11109077271
12651ba066
133897618c
142285c702
15153661d9
hexdbbdace

230415054 has 16 divisors (see below), whose sum is σ = 461479680. Its totient is φ = 76696760.

The previous prime is 230415047. The next prime is 230415079. The reversal of 230415054 is 450514032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22392 + ... + 31019.

It is an arithmetic number, because the mean of its divisors is an integer number (28842480).

Almost surely, 2230415054 is an apocalyptic number.

230415054 is an abundant number, since it is smaller than the sum of its proper divisors (231064626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230415054 is a wasteful number, since it uses less digits than its factorization.

230415054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54135.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 230415054 is about 15179.4286453740. The cubic root of 230415054 is about 613.0608975016.

Adding to 230415054 its reverse (450514032), we get a palindrome (680929086).

The spelling of 230415054 in words is "two hundred thirty million, four hundred fifteen thousand, fifty-four".

Divisors: 1 2 3 6 719 1438 2157 4314 53411 106822 160233 320466 38402509 76805018 115207527 230415054