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230504042 = 2811142111
BaseRepresentation
bin11011011110100…
…11011001101010
3121001201211002202
431233103121222
5433002112132
634512300202
75466152306
oct1557233152
9531654082
10230504042
1110912810a
1265241662
13389a7832
1422882d06
1515382762
hexdbd366a

230504042 has 8 divisors (see below), whose sum is σ = 346184832. Its totient is φ = 115109100.

The previous prime is 230504041. The next prime is 230504047. The reversal of 230504042 is 240405032.

230504042 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 super-2 number, since 2×2305040422 = 106264226756675528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230504041) 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, 69434 + ... + 72677.

It is an arithmetic number, because the mean of its divisors is an integer number (43273104).

Almost surely, 2230504042 is an apocalyptic number.

230504042 is a deficient number, since it is larger than the sum of its proper divisors (115680790).

230504042 is a wasteful number, since it uses less digits than its factorization.

230504042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142924.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 230504042 is about 15182.3595662861. The cubic root of 230504042 is about 613.1398102296.

Adding to 230504042 its reverse (240405032), we get a palindrome (470909074).

The spelling of 230504042 in words is "two hundred thirty million, five hundred four thousand, forty-two".

Divisors: 1 2 811 1622 142111 284222 115252021 230504042