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234431230 = 25112131193
BaseRepresentation
bin11011111100100…
…10001011111110
3121100010100012011
431332102023332
5440003244410
635132401434
75544426655
oct1576221376
9540110164
10234431230
1111036a720
126661627a
1339751207
14231c619c
15158ab18a
hexdf922fe

234431230 has 16 divisors (see below), whose sum is σ = 460337904. Its totient is φ = 85247680.

The previous prime is 234431221. The next prime is 234431237. The reversal of 234431230 is 32134432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234431237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065487 + ... + 1065706.

It is an arithmetic number, because the mean of its divisors is an integer number (28771119).

Almost surely, 2234431230 is an apocalyptic number.

234431230 is a deficient number, since it is larger than the sum of its proper divisors (225906674).

234431230 is a wasteful number, since it uses less digits than its factorization.

234431230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131211.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 234431230 is about 15311.1472463692. The cubic root of 234431230 is about 616.6023213440.

Adding to 234431230 its reverse (32134432), we get a palindrome (266565662).

The spelling of 234431230 in words is "two hundred thirty-four million, four hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2131193 4262386 10655965 21311930 23443123 46886246 117215615 234431230