Base | Representation |
---|---|
bin | 1010001010100… |
… | …10011101000100 |
3 | 12221110021201121 |
4 | 11011102131010 |
5 | 133312204023 |
6 | 12243403324 |
7 | 2053542355 |
oct | 505223504 |
9 | 187407647 |
10 | 85272388 |
11 | 44152453 |
12 | 24683544 |
13 | 14888146 |
14 | b479d2c |
15 | 7745d5d |
hex | 5152744 |
85272388 has 12 divisors (see below), whose sum is σ = 151673452. Its totient is φ = 41937120.
The previous prime is 85272379. The next prime is 85272403. The reversal of 85272388 is 88327258.
It can be written as a sum of positive squares in 2 ways, for example, as 48330304 + 36942084 = 6952^2 + 6078^2 .
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174495 + ... + 174982.
Almost surely, 285272388 is an apocalyptic number.
It is an amenable number.
85272388 is a deficient number, since it is larger than the sum of its proper divisors (66401064).
85272388 is a wasteful number, since it uses less digits than its factorization.
85272388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349542 (or 349540 counting only the distinct ones).
The product of its digits is 215040, while the sum is 43.
The square root of 85272388 is about 9234.3049548951. The cubic root of 85272388 is about 440.1521305902.
The spelling of 85272388 in words is "eighty-five million, two hundred seventy-two thousand, three hundred eighty-eight".
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