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230359728 = 24310944029
BaseRepresentation
bin11011011101100…
…00001010110000
3121001110111010210
431232300022300
5432433002403
634505224120
75465011464
oct1556601260
9531414123
10230359728
11109039745
1265192040
1338956c41
14228464a4
1515354b03
hexdbb02b0

230359728 has 40 divisors (see below), whose sum is σ = 600569200. Its totient is φ = 76080384.

The previous prime is 230359699. The next prime is 230359733. The reversal of 230359728 is 827953032.

It is an unprimeable number.

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, 16783 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (15014230).

Almost surely, 2230359728 is an apocalyptic number.

It is an amenable number.

230359728 is an abundant number, since it is smaller than the sum of its proper divisors (370209472).

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

230359728 is a wasteful number, since it uses less digits than its factorization.

230359728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44149 (or 44143 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 230359728 is about 15177.6061353561. The cubic root of 230359728 is about 613.0118252994.

The spelling of 230359728 in words is "two hundred thirty million, three hundred fifty-nine thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 109 218 327 436 654 872 1308 1744 2616 5232 44029 88058 132087 176116 264174 352232 528348 704464 1056696 2113392 4799161 9598322 14397483 19196644 28794966 38393288 57589932 76786576 115179864 230359728