Base | Representation |
---|---|
bin | 1000010100001111100… |
… | …10100110101101100100 |
3 | 1000022120010120101211101 |
4 | 10022013302212231210 |
5 | 14140201441001320 |
6 | 335134145045444 |
7 | 26434024122631 |
oct | 4120762465544 |
9 | 1008503511741 |
10 | 285746031460 |
11 | 10020320480a |
12 | 47467926884 |
13 | 20c3aa1abb6 |
14 | db8a039188 |
15 | 7676110c0a |
hex | 4287ca6b64 |
285746031460 has 24 divisors (see below), whose sum is σ = 600188270976. Its totient is φ = 114275249760.
The previous prime is 285746031449. The next prime is 285746031481. The reversal of 285746031460 is 64130647582.
It is a self number, because there is not a number n which added to its sum of digits gives 285746031460.
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, 1346346 + ... + 1544065.
It is an arithmetic number, because the mean of its divisors is an integer number (25007844624).
Almost surely, 2285746031460 is an apocalyptic number.
285746031460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
285746031460 is an abundant number, since it is smaller than the sum of its proper divisors (314442239516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285746031460 is a wasteful number, since it uses less digits than its factorization.
285746031460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2895363 (or 2895361 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 46.
The spelling of 285746031460 in words is "two hundred eighty-five billion, seven hundred forty-six million, thirty-one thousand, four hundred sixty".
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