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85300390 = 25717431667
BaseRepresentation
bin1010001010110…
…01010010100110
312221111201010201
411011121102212
5133314103030
612244141114
72054020120
oct505312246
9187451121
1085300390
114417149a
122469779a
1314897b06
14b486210
15774e2ca
hex51594a6

85300390 has 64 divisors (see below), whose sum is σ = 190232064. Its totient is φ = 26869248.

The previous prime is 85300363. The next prime is 85300451. The reversal of 85300390 is 9300358.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50337 + ... + 52003.

It is an arithmetic number, because the mean of its divisors is an integer number (2972376).

Almost surely, 285300390 is an apocalyptic number.

85300390 is an abundant number, since it is smaller than the sum of its proper divisors (104931674).

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

85300390 is a wasteful number, since it uses less digits than its factorization.

85300390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 85300390 is about 9235.8210246843. The cubic root of 85300390 is about 440.2003048053.

The spelling of 85300390 in words is "eighty-five million, three hundred thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 17 34 35 43 70 85 86 119 170 215 238 301 430 595 602 731 1190 1462 1505 1667 3010 3334 3655 5117 7310 8335 10234 11669 16670 23338 25585 28339 51170 56678 58345 71681 116690 141695 143362 198373 283390 358405 396746 501767 716810 991865 1003534 1218577 1983730 2437154 2508835 5017670 6092885 8530039 12185770 17060078 42650195 85300390