Base | Representation |
---|---|
bin | 1010001101111… |
… | …00111111010000 |
3 | 12222021110022020 |
4 | 11012330333100 |
5 | 133420140002 |
6 | 12301011440 |
7 | 2060340513 |
oct | 506747720 |
9 | 188243266 |
10 | 85708752 |
11 | 44420288 |
12 | 24853b80 |
13 | 149ab94c |
14 | b550d7a |
15 | 77d02bc |
hex | 51bcfd0 |
85708752 has 20 divisors (see below), whose sum is σ = 221414400. Its totient is φ = 28569568.
The previous prime is 85708723. The next prime is 85708757. The reversal of 85708752 is 25780758.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85708757) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892752 + ... + 892847.
It is an arithmetic number, because the mean of its divisors is an integer number (11070720).
Almost surely, 285708752 is an apocalyptic number.
It is an amenable number.
85708752 is an abundant number, since it is smaller than the sum of its proper divisors (135705648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85708752 is a wasteful number, since it uses less digits than its factorization.
85708752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1785610 (or 1785604 counting only the distinct ones).
The product of its (nonzero) digits is 156800, while the sum is 42.
The square root of 85708752 is about 9257.9021381736. The cubic root of 85708752 is about 440.9016496965.
The spelling of 85708752 in words is "eighty-five million, seven hundred eight thousand, seven hundred fifty-two".
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