Base | Representation |
---|---|
bin | 1000101011010… |
… | …10000010000000 |
3 | 12001221220200120 |
4 | 10111222002000 |
5 | 122113123143 |
6 | 11120020240 |
7 | 1542446136 |
oct | 425520200 |
9 | 161856616 |
10 | 72786048 |
11 | 380a4265 |
12 | 20461680 |
13 | 1210598a |
14 | 9949756 |
15 | 65cb383 |
hex | 456a080 |
72786048 has 32 divisors (see below), whose sum is σ = 193338960. Its totient is φ = 24261888.
The previous prime is 72786031. The next prime is 72786071. The reversal of 72786048 is 84068727.
It is a tau number, because it is divible by the number of its divisors (32).
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, 94390 + ... + 95157.
Almost surely, 272786048 is an apocalyptic number.
It is an amenable number.
72786048 is an abundant number, since it is smaller than the sum of its proper divisors (120552912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72786048 is a wasteful number, since it uses less digits than its factorization.
72786048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189564 (or 189552 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 72786048 is about 8531.4739640932. The cubic root of 72786048 is about 417.5252196510.
The spelling of 72786048 in words is "seventy-two million, seven hundred eighty-six thousand, forty-eight".
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