Base | Representation |
---|---|
bin | 100101101011110… |
… | …101111011100001 |
3 | 1122001200122001200 |
4 | 211223311323201 |
5 | 2243324000311 |
6 | 142423151413 |
7 | 21445015461 |
oct | 4553657341 |
9 | 1561618050 |
10 | 632250081 |
11 | 2a4985931 |
12 | 1578a5569 |
13 | a0caaa98 |
14 | 5dd7dba1 |
15 | 3a78d556 |
hex | 25af5ee1 |
632250081 has 12 divisors (see below), whose sum is σ = 915964452. Its totient is φ = 420247296.
The previous prime is 632250079. The next prime is 632250089. The reversal of 632250081 is 180052236.
632250081 is a `hidden beast` number, since 63 + 22 + 500 + 81 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 122213025 + 510037056 = 11055^2 + 22584^2 .
It is not a de Polignac number, because 632250081 - 21 = 632250079 is a prime.
It is a super-2 number, since 2×6322500812 = 799480329849013122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (632250089) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101196 + ... + 107261.
It is an arithmetic number, because the mean of its divisors is an integer number (76330371).
Almost surely, 2632250081 is an apocalyptic number.
It is an amenable number.
632250081 is a deficient number, since it is larger than the sum of its proper divisors (283714371).
632250081 is a wasteful number, since it uses less digits than its factorization.
632250081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208800 (or 208797 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 632250081 is about 25144.5835320452. The cubic root of 632250081 is about 858.2812622154.
The spelling of 632250081 in words is "six hundred thirty-two million, two hundred fifty thousand, eighty-one".
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