Base | Representation |
---|---|
bin | 1010001110000… |
… | …00100110110000 |
3 | 12222022012121222 |
4 | 11013000212300 |
5 | 133421123233 |
6 | 12301204212 |
7 | 2060431640 |
oct | 507004660 |
9 | 188265558 |
10 | 85723568 |
11 | 44430427 |
12 | 24860668 |
13 | 149b5608 |
14 | b556520 |
15 | 77d4898 |
hex | 51c09b0 |
85723568 has 20 divisors (see below), whose sum is σ = 189816720. Its totient is φ = 36738624.
The previous prime is 85723559. The next prime is 85723597. The reversal of 85723568 is 86532758.
It is a super-2 number, since 2×857235682 = 14697060221301248, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382583 + ... + 382806.
It is an arithmetic number, because the mean of its divisors is an integer number (9490836).
Almost surely, 285723568 is an apocalyptic number.
It is an amenable number.
85723568 is an abundant number, since it is smaller than the sum of its proper divisors (104093152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85723568 is a wasteful number, since it uses less digits than its factorization.
85723568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765404 (or 765398 counting only the distinct ones).
The product of its digits is 403200, while the sum is 44.
The square root of 85723568 is about 9258.7022848777. The cubic root of 85723568 is about 440.9270536462.
The spelling of 85723568 in words is "eighty-five million, seven hundred twenty-three thousand, five hundred sixty-eight".
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