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85276578 = 2314212763
BaseRepresentation
bin1010001010100…
…11011110100010
312221110111110210
411011103132202
5133312322303
612243434550
72053560522
oct505233642
9187414423
1085276578
1144155612
1224685a56
131488a01a
14b47b682
157747203
hex51537a2

85276578 has 8 divisors (see below), whose sum is σ = 170553168. Its totient is φ = 28425524.

The previous prime is 85276553. The next prime is 85276619. The reversal of 85276578 is 87567258.

It is a sphenic number, since it is the product of 3 distinct primes.

85276578 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 7106376 + ... + 7106387.

It is an arithmetic number, because the mean of its divisors is an integer number (21319146).

Almost surely, 285276578 is an apocalyptic number.

85276578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85276578 is a wasteful number, since it uses less digits than its factorization.

85276578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212768.

The product of its digits is 940800, while the sum is 48.

The square root of 85276578 is about 9234.5318235415. The cubic root of 85276578 is about 440.1593396734.

The spelling of 85276578 in words is "eighty-five million, two hundred seventy-six thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 14212763 28425526 42638289 85276578