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230187048 = 233713105397
BaseRepresentation
bin11011011100001…
…10000000101000
3121001010201021020
431232012000220
5432411441143
634501412440
75463362160
oct1556060050
9531121236
10230187048
11108a30a33
126510a120
13388c6470
14227dd5a0
151531d883
hexdb86028

230187048 has 64 divisors (see below), whose sum is σ = 708274560. Its totient is φ = 60708096.

The previous prime is 230187037. The next prime is 230187049. The reversal of 230187048 is 840781032.

It is not an unprimeable number, because it can be changed into a prime (230187049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50515 + ... + 54882.

It is an arithmetic number, because the mean of its divisors is an integer number (11066790).

Almost surely, 2230187048 is an apocalyptic number.

230187048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230187048 is an abundant number, since it is smaller than the sum of its proper divisors (478087512).

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

230187048 is a wasteful number, since it uses less digits than its factorization.

230187048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105426 (or 105422 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 230187048 is about 15171.9164247632. The cubic root of 230187048 is about 612.8586137060.

The spelling of 230187048 in words is "two hundred thirty million, one hundred eighty-seven thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 105397 210794 316191 421588 632382 737779 843176 1264764 1370161 1475558 2213337 2529528 2740322 2951116 4110483 4426674 5480644 5902232 8220966 8853348 9591127 10961288 16441932 17706696 19182254 28773381 32883864 38364508 57546762 76729016 115093524 230187048