Base | Representation |
---|---|
bin | 1010001000101… |
… | …10111110001111 |
3 | 12220222220112000 |
4 | 11010112332033 |
5 | 133231410001 |
6 | 12234243343 |
7 | 2051506143 |
oct | 504267617 |
9 | 186886460 |
10 | 85028751 |
11 | 43aa63a5 |
12 | 24586553 |
13 | 14801292 |
14 | b415223 |
15 | 76e8a86 |
hex | 5116f8f |
85028751 has 16 divisors (see below), whose sum is σ = 126434400. Its totient is φ = 56476224.
The previous prime is 85028729. The next prime is 85028761. The reversal of 85028751 is 15782058.
It is not a de Polignac number, because 85028751 - 29 = 85028239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85028761) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795 + ... + 13163.
It is an arithmetic number, because the mean of its divisors is an integer number (7902150).
Almost surely, 285028751 is an apocalyptic number.
85028751 is a deficient number, since it is larger than the sum of its proper divisors (41405649).
85028751 is a wasteful number, since it uses less digits than its factorization.
85028751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11655 (or 11649 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 36.
The square root of 85028751 is about 9221.1035673611. The cubic root of 85028751 is about 439.7325354510.
The spelling of 85028751 in words is "eighty-five million, twenty-eight thousand, seven hundred fifty-one".
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