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85801230 = 2325953347
BaseRepresentation
bin1010001110100…
…11100100001110
312222110011011100
411013103210032
5133431114410
612303003530
72061204234
oct507234416
9188404140
1085801230
1144483809
12248995a6
1314a11a78
14b576954
1577ec8c0
hex51d390e

85801230 has 24 divisors (see below), whose sum is σ = 223083432. Its totient is φ = 22880304.

The previous prime is 85801213. The next prime is 85801231. The reversal of 85801230 is 3210858.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85801194 and 85801203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85801231) 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 11 ways as a sum of consecutive naturals, for example, 476584 + ... + 476763.

It is an arithmetic number, because the mean of its divisors is an integer number (9295143).

Almost surely, 285801230 is an apocalyptic number.

85801230 is an abundant number, since it is smaller than the sum of its proper divisors (137282202).

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

85801230 is a wasteful number, since it uses less digits than its factorization.

85801230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953360 (or 953357 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 85801230 is about 9262.8953356928. The cubic root of 85801230 is about 441.0601673349.

The spelling of 85801230 in words is "eighty-five million, eight hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 953347 1906694 2860041 4766735 5720082 8580123 9533470 14300205 17160246 28600410 42900615 85801230