Base | Representation |
---|---|
bin | 1010001001000… |
… | …10110100011000 |
3 | 12221002101002002 |
4 | 11010202310120 |
5 | 133234433042 |
6 | 12235300132 |
7 | 2052100460 |
oct | 504426430 |
9 | 187071062 |
10 | 85077272 |
11 | 440298a5 |
12 | 245aa648 |
13 | 1481a3a7 |
14 | b428ba0 |
15 | 7708132 |
hex | 5122d18 |
85077272 has 16 divisors (see below), whose sum is σ = 182308560. Its totient is φ = 36461664.
The previous prime is 85077247. The next prime is 85077277. The reversal of 85077272 is 27277058.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85077277) 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, 759563 + ... + 759674.
It is an arithmetic number, because the mean of its divisors is an integer number (11394285).
Almost surely, 285077272 is an apocalyptic number.
It is an amenable number.
85077272 is an abundant number, since it is smaller than the sum of its proper divisors (97231288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85077272 is a wasteful number, since it uses less digits than its factorization.
85077272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1519250 (or 1519246 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 38.
The square root of 85077272 is about 9223.7341678953. The cubic root of 85077272 is about 439.8161628708.
The spelling of 85077272 in words is "eighty-five million, seventy-seven thousand, two hundred seventy-two".
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