Base | Representation |
---|---|
bin | 1010001000100… |
… | …11101011010101 |
3 | 12220222020000002 |
4 | 11010103223111 |
5 | 133230442003 |
6 | 12234101045 |
7 | 2051421611 |
oct | 504235325 |
9 | 186866002 |
10 | 85015253 |
11 | 43a97244 |
12 | 2457a785 |
13 | 147c80ab |
14 | b410341 |
15 | 76e4a88 |
hex | 5113ad5 |
85015253 has 8 divisors (see below), whose sum is σ = 89694720. Its totient is φ = 80356320.
The previous prime is 85015247. The next prime is 85015277. The reversal of 85015253 is 35251058.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-85015253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85015243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3788 + ... + 13578.
It is an arithmetic number, because the mean of its divisors is an integer number (11211840).
Almost surely, 285015253 is an apocalyptic number.
It is an amenable number.
85015253 is a deficient number, since it is larger than the sum of its proper divisors (4679467).
85015253 is a wasteful number, since it uses less digits than its factorization.
85015253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10267.
The product of its (nonzero) digits is 6000, while the sum is 29.
The square root of 85015253 is about 9220.3716302544. The cubic root of 85015253 is about 439.7092655813.
The spelling of 85015253 in words is "eighty-five million, fifteen thousand, two hundred fifty-three".
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