Base | Representation |
---|---|
bin | 10111111001010… |
… | …11001111101101 |
3 | 111222012011202210 |
4 | 23330223033231 |
5 | 402304031044 |
6 | 31520241033 |
7 | 4652561226 |
oct | 1374531755 |
9 | 458164683 |
10 | 200455149 |
11 | a3173a14 |
12 | 57170179 |
13 | 326b651b |
14 | 1c8a024d |
15 | 128e91b9 |
hex | bf2b3ed |
200455149 has 16 divisors (see below), whose sum is σ = 283566080. Its totient is φ = 125601840.
The previous prime is 200455139. The next prime is 200455193. The reversal of 200455149 is 941554002.
It is not a de Polignac number, because 200455149 - 28 = 200454893 is a prime.
It is a super-2 number, since 2×2004551492 = 80364533521224402, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200455139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6607 + ... + 21084.
It is an arithmetic number, because the mean of its divisors is an integer number (17722880).
Almost surely, 2200455149 is an apocalyptic number.
It is an amenable number.
200455149 is a deficient number, since it is larger than the sum of its proper divisors (83110931).
200455149 is a wasteful number, since it uses less digits than its factorization.
200455149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27840.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 200455149 is about 14158.2184260591. The cubic root of 200455149 is about 585.2468327943.
The spelling of 200455149 in words is "two hundred million, four hundred fifty-five thousand, one hundred forty-nine".
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