Base | Representation |
---|---|
bin | 1000101011110… |
… | …00000001101000 |
3 | 12002001211022112 |
4 | 10111320001220 |
5 | 122121441433 |
6 | 11121141452 |
7 | 1543105223 |
oct | 425700150 |
9 | 162054275 |
10 | 72843368 |
11 | 38133334 |
12 | 2048a888 |
13 | 12125ab0 |
14 | 99625ba |
15 | 65dd348 |
hex | 4578068 |
72843368 has 32 divisors (see below), whose sum is σ = 155743560. Its totient is φ = 31641600.
The previous prime is 72843361. The next prime is 72843371. The reversal of 72843368 is 86334827.
It can be written as a sum of positive squares in 4 ways, for example, as 68525284 + 4318084 = 8278^2 + 2078^2 .
It is not an unprimeable number, because it can be changed into a prime (72843361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18833 + ... + 22368.
Almost surely, 272843368 is an apocalyptic number.
It is an amenable number.
72843368 is an abundant number, since it is smaller than the sum of its proper divisors (82900192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72843368 is a wasteful number, since it uses less digits than its factorization.
72843368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41237 (or 41233 counting only the distinct ones).
The product of its digits is 193536, while the sum is 41.
The square root of 72843368 is about 8534.8326287046. The cubic root of 72843368 is about 417.6347931502.
It can be divided in two parts, 728433 and 68, that multiplied together give a square (49533444 = 70382).
The spelling of 72843368 in words is "seventy-two million, eight hundred forty-three thousand, three hundred sixty-eight".
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