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85239274 = 2311374827
BaseRepresentation
bin1010001010010…
…10010111101010
312221101121022011
411011022113222
5133310124044
612242550134
72053344001
oct505122752
9187347264
1085239274
114412a58a
122466834a
1314876053
14b46bc38
15773b134
hex514a5ea

85239274 has 8 divisors (see below), whose sum is σ = 131983488. Its totient is φ = 41244780.

The previous prime is 85239269. The next prime is 85239277. The reversal of 85239274 is 47293258.

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

It is not an unprimeable number, because it can be changed into a prime (85239277) 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 3 ways as a sum of consecutive naturals, for example, 687352 + ... + 687475.

It is an arithmetic number, because the mean of its divisors is an integer number (16497936).

Almost surely, 285239274 is an apocalyptic number.

85239274 is a deficient number, since it is larger than the sum of its proper divisors (46744214).

85239274 is a wasteful number, since it uses less digits than its factorization.

85239274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374860.

The product of its digits is 120960, while the sum is 40.

The square root of 85239274 is about 9232.5117925730. The cubic root of 85239274 is about 440.0951481559.

The spelling of 85239274 in words is "eighty-five million, two hundred thirty-nine thousand, two hundred seventy-four".

Divisors: 1 2 31 62 1374827 2749654 42619637 85239274