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85278282 = 23103313759
BaseRepresentation
bin1010001010100…
…11111001001010
312221110120210220
411011103321022
5133312401112
612243450510
72053565505
oct505237112
9187416726
1085278282
1144156921
1224686a36
131488aa2b
14b47c13c
15774798c
hex5153e4a

85278282 has 16 divisors (see below), whose sum is σ = 170734080. Its totient is φ = 28396512.

The previous prime is 85278269. The next prime is 85278293. The reversal of 85278282 is 28287258.

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, 682 + ... + 13077.

It is an arithmetic number, because the mean of its divisors is an integer number (10670880).

Almost surely, 285278282 is an apocalyptic number.

85278282 is an abundant number, since it is smaller than the sum of its proper divisors (85455798).

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

85278282 is a wasteful number, since it uses less digits than its factorization.

85278282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797.

The product of its digits is 143360, while the sum is 42.

The square root of 85278282 is about 9234.6240854731. The cubic root of 85278282 is about 440.1622714144.

The spelling of 85278282 in words is "eighty-five million, two hundred seventy-eight thousand, two hundred eighty-two".

Divisors: 1 2 3 6 1033 2066 3099 6198 13759 27518 41277 82554 14213047 28426094 42639141 85278282