Base | Representation |
---|---|
bin | 10111111000000… |
… | …00101111000001 |
3 | 111221212022220202 |
4 | 23330000233001 |
5 | 402232443100 |
6 | 31512414545 |
7 | 4651234460 |
oct | 1374005701 |
9 | 457768822 |
10 | 200281025 |
11 | a306510a |
12 | 570a7455 |
13 | 326551a9 |
14 | 1c8569d7 |
15 | 128b27d5 |
hex | bf00bc1 |
200281025 has 24 divisors (see below), whose sum is σ = 285440064. Its totient is φ = 136555200.
The previous prime is 200281021. The next prime is 200281027. The reversal of 200281025 is 520182002.
It is not a de Polignac number, because 200281025 - 22 = 200281021 is a prime.
It is a super-2 number, since 2×2002810252 = 80224977950101250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 200280988 and 200281006.
It is not an unprimeable number, because it can be changed into a prime (200281021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28514 + ... + 34836.
It is an arithmetic number, because the mean of its divisors is an integer number (11893336).
Almost surely, 2200281025 is an apocalyptic number.
200281025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200281025 is a deficient number, since it is larger than the sum of its proper divisors (85159039).
200281025 is a wasteful number, since it uses less digits than its factorization.
200281025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6521 (or 6516 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 200281025 is about 14152.0678701029. The cubic root of 200281025 is about 585.0773268129.
The spelling of 200281025 in words is "two hundred million, two hundred eighty-one thousand, twenty-five".
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