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230242430 = 25112190283
BaseRepresentation
bin11011011100100…
…11100001111110
3121001020112020102
431232103201332
5432420224210
634502521102
75464012505
oct1556234176
9531215212
10230242430
11108a69600
1265136192
1338915732
142281583c
151532eea5
hexdb9387e

230242430 has 24 divisors (see below), whose sum is σ = 455539896. Its totient is φ = 83724080.

The previous prime is 230242381. The next prime is 230242433. The reversal of 230242430 is 34242032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230242433) 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 11 ways as a sum of consecutive naturals, for example, 93932 + ... + 96351.

It is an arithmetic number, because the mean of its divisors is an integer number (18980829).

Almost surely, 2230242430 is an apocalyptic number.

230242430 is a deficient number, since it is larger than the sum of its proper divisors (225297466).

230242430 is a wasteful number, since it uses less digits than its factorization.

230242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190312 (or 190301 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 230242430 is about 15173.7414634625. The cubic root of 230242430 is about 612.9077601347.

Adding to 230242430 its reverse (34242032), we get a palindrome (264484462).

The spelling of 230242430 in words is "two hundred thirty million, two hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 190283 380566 951415 1902830 2093113 4186226 10465565 20931130 23024243 46048486 115121215 230242430