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234438730 = 2554742859
BaseRepresentation
bin11011111100101…
…00000001001010
3121100010201110221
431332110001022
5440004014410
635132500254
75544460561
oct1576240112
9540121427
10234438730
11110375319
126661a68a
1339754756
14231c8bd8
15158ad4da
hexdf9404a

234438730 has 16 divisors (see below), whose sum is σ = 422771040. Its totient is φ = 93601872.

The previous prime is 234438691. The next prime is 234438733. The reversal of 234438730 is 37834432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (234438733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15960 + ... + 26899.

It is an arithmetic number, because the mean of its divisors is an integer number (26423190).

Almost surely, 2234438730 is an apocalyptic number.

234438730 is a deficient number, since it is larger than the sum of its proper divisors (188332310).

234438730 is a wasteful number, since it uses less digits than its factorization.

234438730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43413.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 234438730 is about 15311.3921640065. The cubic root of 234438730 is about 616.6088967877.

The spelling of 234438730 in words is "two hundred thirty-four million, four hundred thirty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 547 1094 2735 5470 42859 85718 214295 428590 23443873 46887746 117219365 234438730