Base | Representation |
---|---|
bin | 1010001000100… |
… | …00010100101011 |
3 | 12220221112011021 |
4 | 11010100110223 |
5 | 133230022030 |
6 | 12233513311 |
7 | 2051333554 |
oct | 504202453 |
9 | 186845137 |
10 | 85001515 |
11 | 43a87995 |
12 | 24572837 |
13 | 147c1a71 |
14 | b40932b |
15 | 76e097a |
hex | 511052b |
85001515 has 8 divisors (see below), whose sum is σ = 102129840. Its totient is φ = 67915872.
The previous prime is 85001461. The next prime is 85001533. The reversal of 85001515 is 51510058.
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 85001515 - 27 = 85001387 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 85001515.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6109 + ... + 14398.
It is an arithmetic number, because the mean of its divisors is an integer number (12766230).
Almost surely, 285001515 is an apocalyptic number.
85001515 is a deficient number, since it is larger than the sum of its proper divisors (17128325).
85001515 is a wasteful number, since it uses less digits than its factorization.
85001515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21341.
The product of its (nonzero) digits is 1000, while the sum is 25.
The square root of 85001515 is about 9219.6266193377. The cubic root of 85001515 is about 439.6855794344.
The spelling of 85001515 in words is "eighty-five million, one thousand, five hundred fifteen".
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