Base | Representation |
---|---|
bin | 1010001111100… |
… | …00000000101101 |
3 | 12222200001222120 |
4 | 11013300000231 |
5 | 133443331431 |
6 | 12305303153 |
7 | 2062201020 |
oct | 507600055 |
9 | 188601876 |
10 | 85917741 |
11 | 445532a8 |
12 | 24934ab9 |
13 | 14a52b00 |
14 | b5a71b7 |
15 | 7822196 |
hex | 51f002d |
85917741 has 48 divisors (see below), whose sum is σ = 145322496. Its totient is φ = 44186688.
The previous prime is 85917731. The next prime is 85917743. The reversal of 85917741 is 14771958.
It is not a de Polignac number, because 85917741 - 27 = 85917613 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 85917693 and 85917702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85917743) 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 47 ways as a sum of consecutive naturals, for example, 152326 + ... + 152888.
It is an arithmetic number, because the mean of its divisors is an integer number (3027552).
Almost surely, 285917741 is an apocalyptic number.
It is an amenable number.
85917741 is a deficient number, since it is larger than the sum of its proper divisors (59404755).
85917741 is a wasteful number, since it uses less digits than its factorization.
85917741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 642 (or 629 counting only the distinct ones).
The product of its digits is 70560, while the sum is 42.
The square root of 85917741 is about 9269.1823263975. The cubic root of 85917741 is about 441.2597181584.
The spelling of 85917741 in words is "eighty-five million, nine hundred seventeen thousand, seven hundred forty-one".
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