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230144424 = 2339589351
BaseRepresentation
bin11011011011110…
…11100110101000
3121001001112210120
431231323212220
5432404110144
634500443240
75463123666
oct1555734650
9531045716
10230144424
11108a01a04
12650a9520
13388acc43
14227cbc36
1515310e19
hexdb7b9a8

230144424 has 16 divisors (see below), whose sum is σ = 575361120. Its totient is φ = 76714800.

The previous prime is 230144423. The next prime is 230144429. The reversal of 230144424 is 424441032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9589351 = 230144424 / (2 + 3 + 0 + 1 + 4 + 4 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 230144394 and 230144403.

It is not an unprimeable number, because it can be changed into a prime (230144423) 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, 4794652 + ... + 4794699.

It is an arithmetic number, because the mean of its divisors is an integer number (35960070).

Almost surely, 2230144424 is an apocalyptic number.

230144424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

230144424 is an abundant number, since it is smaller than the sum of its proper divisors (345216696).

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

230144424 is a wasteful number, since it uses less digits than its factorization.

230144424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589360 (or 9589356 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 230144424 is about 15170.5116591366. The cubic root of 230144424 is about 612.8207834598.

Adding to 230144424 its reverse (424441032), we get a palindrome (654585456).

The spelling of 230144424 in words is "two hundred thirty million, one hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 9589351 19178702 28768053 38357404 57536106 76714808 115072212 230144424