Base | Representation |
---|---|
bin | 1010001011001… |
… | …01000100111001 |
3 | 12221121011100200 |
4 | 11011211010321 |
5 | 133322124130 |
6 | 12245152413 |
7 | 2054310633 |
oct | 505450471 |
9 | 187534320 |
10 | 85348665 |
11 | 441a4796 |
12 | 246bb709 |
13 | 148b3a8c |
14 | b499a53 |
15 | 775d760 |
hex | 5165139 |
85348665 has 24 divisors (see below), whose sum is σ = 155725440. Its totient is φ = 43123104.
The previous prime is 85348661. The next prime is 85348667. The reversal of 85348665 is 56684358.
It is not a de Polignac number, because 85348665 - 22 = 85348661 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 85348665.
It is not an unprimeable number, because it can be changed into a prime (85348661) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49057 + ... + 50766.
It is an arithmetic number, because the mean of its divisors is an integer number (6488560).
Almost surely, 285348665 is an apocalyptic number.
It is an amenable number.
85348665 is a deficient number, since it is larger than the sum of its proper divisors (70376775).
85348665 is a wasteful number, since it uses less digits than its factorization.
85348665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99853 (or 99850 counting only the distinct ones).
The product of its digits is 691200, while the sum is 45.
The square root of 85348665 is about 9238.4341205639. The cubic root of 85348665 is about 440.2833316320.
The spelling of 85348665 in words is "eighty-five million, three hundred forty-eight thousand, six hundred sixty-five".
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