Base | Representation |
---|---|
bin | 100000000100101… |
… | …000111010000000 |
3 | 1101111111122122122 |
4 | 200010220322000 |
5 | 2100222241130 |
6 | 125221023412 |
7 | 16222443611 |
oct | 4004507200 |
9 | 1344448578 |
10 | 538087040 |
11 | 256810837 |
12 | 130254b68 |
13 | 8762bcca |
14 | 5166bc08 |
15 | 3238d2e5 |
hex | 20128e80 |
538087040 has 32 divisors (see below), whose sum is σ = 1286365860. Its totient is φ = 215234560.
The previous prime is 538087027. The next prime is 538087097. The reversal of 538087040 is 40780835.
It can be written as a sum of positive squares in 2 ways, for example, as 534904384 + 3182656 = 23128^2 + 1784^2 .
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, 419741 + ... + 421020.
Almost surely, 2538087040 is an apocalyptic number.
It is an amenable number.
538087040 is an abundant number, since it is smaller than the sum of its proper divisors (748278820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538087040 is an equidigital number, since it uses as much as digits as its factorization.
538087040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 840780 (or 840768 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 538087040 is about 23196.7032140345. The cubic root of 538087040 is about 813.3625597906.
The spelling of 538087040 in words is "five hundred thirty-eight million, eighty-seven thousand, forty".
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