Base | Representation |
---|---|
bin | 11000110001100… |
… | …11110000100111 |
3 | 112111001212020110 |
4 | 30120303300213 |
5 | 411201030210 |
6 | 32342304103 |
7 | 5102345346 |
oct | 1430636047 |
9 | 474055213 |
10 | 207830055 |
11 | a7350884 |
12 | 59728033 |
13 | 34099284 |
14 | 1d85db5d |
15 | 133a4420 |
hex | c633c27 |
207830055 has 8 divisors (see below), whose sum is σ = 332528112. Its totient is φ = 110842688.
The previous prime is 207830017. The next prime is 207830057. The reversal of 207830055 is 550038702.
It is a happy number.
207830055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 207830055 - 28 = 207829799 is a prime.
It is a super-2 number, since 2×2078300552 = 86386663522606050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207830057) 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, 6927654 + ... + 6927683.
It is an arithmetic number, because the mean of its divisors is an integer number (41566014).
Almost surely, 2207830055 is an apocalyptic number.
207830055 is a deficient number, since it is larger than the sum of its proper divisors (124698057).
207830055 is a wasteful number, since it uses less digits than its factorization.
207830055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13855345.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 207830055 is about 14416.3121151007. The cubic root of 207830055 is about 592.3378038824.
Adding to 207830055 its reverse (550038702), we get a palindrome (757868757).
The spelling of 207830055 in words is "two hundred seven million, eight hundred thirty thousand, fifty-five".
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