Base | Representation |
---|---|
bin | 1010001011001… |
… | …01000101001001 |
3 | 12221121011101021 |
4 | 11011211011021 |
5 | 133322124211 |
6 | 12245152441 |
7 | 2054310655 |
oct | 505450511 |
9 | 187534337 |
10 | 85348681 |
11 | 441a4800 |
12 | 246bb721 |
13 | 148b3aa2 |
14 | b499a65 |
15 | 775d771 |
hex | 5165149 |
85348681 has 12 divisors (see below), whose sum is σ = 94140592. Its totient is φ = 77319000.
The previous prime is 85348667. The next prime is 85348729. The reversal of 85348681 is 18684358.
It is not a de Polignac number, because 85348681 - 25 = 85348649 is a prime.
It is a super-2 number, since 2×853486812 = 14568794696879522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85348631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38986 + ... + 41116.
Almost surely, 285348681 is an apocalyptic number.
It is an amenable number.
85348681 is a deficient number, since it is larger than the sum of its proper divisors (8791911).
85348681 is a wasteful number, since it uses less digits than its factorization.
85348681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2484 (or 2473 counting only the distinct ones).
The product of its digits is 184320, while the sum is 43.
The square root of 85348681 is about 9238.4349865115. The cubic root of 85348681 is about 440.2833591448.
The spelling of 85348681 in words is "eighty-five million, three hundred forty-eight thousand, six hundred eighty-one".
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