Base | Representation |
---|---|
bin | 11000110010100… |
… | …11100001111101 |
3 | 112111022110202020 |
4 | 30121103201331 |
5 | 411214211224 |
6 | 32345150353 |
7 | 5103426633 |
oct | 1431234175 |
9 | 474273666 |
10 | 207960189 |
11 | a742a628 |
12 | 5978b3b9 |
13 | 34113588 |
14 | 1d895353 |
15 | 133ccc79 |
hex | c65387d |
207960189 has 16 divisors (see below), whose sum is σ = 288100800. Its totient is φ = 133271936.
The previous prime is 207960139. The next prime is 207960197. The reversal of 207960189 is 981069702.
It is not a de Polignac number, because 207960189 - 28 = 207959933 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 207960189.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207960139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15142 + ... + 25400.
It is an arithmetic number, because the mean of its divisors is an integer number (18006300).
Almost surely, 2207960189 is an apocalyptic number.
207960189 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
207960189 is a deficient number, since it is larger than the sum of its proper divisors (80140611).
207960189 is a wasteful number, since it uses less digits than its factorization.
207960189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10524.
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 207960189 is about 14420.8248377130. The cubic root of 207960189 is about 592.4614100096.
The spelling of 207960189 in words is "two hundred seven million, nine hundred sixty thousand, one hundred eighty-nine".
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