Base | Representation |
---|---|
bin | 1010001011011… |
… | …10011101000000 |
3 | 12221200010001011 |
4 | 11011232131000 |
5 | 133324341242 |
6 | 12250050304 |
7 | 2054530621 |
oct | 505563500 |
9 | 187603034 |
10 | 85387072 |
11 | 44220631 |
12 | 24719994 |
13 | 148c83c4 |
14 | b4a9a48 |
15 | 7769d17 |
hex | 516e740 |
85387072 has 28 divisors (see below), whose sum is σ = 169830496. Its totient is φ = 42595200.
The previous prime is 85387069. The next prime is 85387079. The reversal of 85387072 is 27078358.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85387079) 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, 32197 + ... + 34747.
Almost surely, 285387072 is an apocalyptic number.
It is an amenable number.
85387072 is a deficient number, since it is larger than the sum of its proper divisors (84443424).
85387072 is a wasteful number, since it uses less digits than its factorization.
85387072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3086 (or 3076 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 40.
The square root of 85387072 is about 9240.5125398973. The cubic root of 85387072 is about 440.3493644010.
The spelling of 85387072 in words is "eighty-five million, three hundred eighty-seven thousand, seventy-two".
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