Base | Representation |
---|---|
bin | 11110100001100… |
… | …010010101100000 |
3 | 1022200121202221020 |
4 | 132201202111200 |
5 | 2022044422442 |
6 | 122452125440 |
7 | 15455562603 |
oct | 3641422540 |
9 | 1280552836 |
10 | 512107872 |
11 | 243087251 |
12 | 123606880 |
13 | 82134213 |
14 | 4c02833a |
15 | 2ee5a9ec |
hex | 1e862560 |
512107872 has 48 divisors (see below), whose sum is σ = 1345584240. Its totient is φ = 170537472.
The previous prime is 512107829. The next prime is 512107873. The reversal of 512107872 is 278701215.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512107873) 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, 135318 + ... + 139050.
It is an arithmetic number, because the mean of its divisors is an integer number (28033005).
Almost surely, 2512107872 is an apocalyptic number.
It is an amenable number.
512107872 is an abundant number, since it is smaller than the sum of its proper divisors (833476368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512107872 is a wasteful number, since it uses less digits than its factorization.
512107872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5175 (or 5167 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 33.
The square root of 512107872 is about 22629.8005293904. The cubic root of 512107872 is about 800.0561793881.
The spelling of 512107872 in words is "five hundred twelve million, one hundred seven thousand, eight hundred seventy-two".
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