Base | Representation |
---|---|
bin | 1010001001100… |
… | …11101110010011 |
3 | 12221012220001122 |
4 | 11010303232103 |
5 | 133244142030 |
6 | 12240552455 |
7 | 2052506366 |
oct | 504635623 |
9 | 187186048 |
10 | 85146515 |
11 | 44076923 |
12 | 2462272b |
13 | 14842a6c |
14 | b4460dd |
15 | 771d8e5 |
hex | 5133b93 |
85146515 has 8 divisors (see below), whose sum is σ = 102981120. Its totient is φ = 67580352.
The previous prime is 85146511. The next prime is 85146521. The reversal of 85146515 is 51564158.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85146515 - 22 = 85146511 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85146511) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66410 + ... + 67679.
It is an arithmetic number, because the mean of its divisors is an integer number (12872640).
Almost surely, 285146515 is an apocalyptic number.
85146515 is a deficient number, since it is larger than the sum of its proper divisors (17834605).
85146515 is a wasteful number, since it uses less digits than its factorization.
85146515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134221.
The product of its digits is 24000, while the sum is 35.
The square root of 85146515 is about 9227.4869276526. The cubic root of 85146515 is about 439.9354502415.
The spelling of 85146515 in words is "eighty-five million, one hundred forty-six thousand, five hundred fifteen".
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