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85306058 = 242653029
BaseRepresentation
bin1010001010110…
…10101011001010
312221111222220122
411011122223022
5133314243213
612244223242
72054042465
oct505325312
9187458818
1085306058
1144175782
122469ab22
131489a576
14b4882dc
157750d08
hex515aaca

85306058 has 4 divisors (see below), whose sum is σ = 127959090. Its totient is φ = 42653028.

The previous prime is 85306049. The next prime is 85306069. The reversal of 85306058 is 85060358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85060358 = 242530179.

It can be written as a sum of positive squares in only one way, i.e., 51165409 + 34140649 = 7153^2 + 5843^2 .

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 as a sum of consecutive naturals, namely, 21326513 + ... + 21326516.

Almost surely, 285306058 is an apocalyptic number.

85306058 is a deficient number, since it is larger than the sum of its proper divisors (42653032).

85306058 is a wasteful number, since it uses less digits than its factorization.

85306058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42653031.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 85306058 is about 9236.1278683223. The cubic root of 85306058 is about 440.2100546633.

Subtracting from 85306058 its product of nonzero digits (28800), we obtain a palindrome (85277258).

The spelling of 85306058 in words is "eighty-five million, three hundred six thousand, fifty-eight".

Divisors: 1 2 42653029 85306058