Base | Representation |
---|---|
bin | 11000101101110… |
… | …01011100111001 |
3 | 112110010102000212 |
4 | 30112321130321 |
5 | 411034012311 |
6 | 32323440505 |
7 | 5065160651 |
oct | 1426713471 |
9 | 473112025 |
10 | 207329081 |
11 | a7039453 |
12 | 59526135 |
13 | 33c5223b |
14 | 1d76d361 |
15 | 13305c8b |
hex | c5b9739 |
207329081 has 2 divisors, whose sum is σ = 207329082. Its totient is φ = 207329080.
The previous prime is 207329069. The next prime is 207329117. The reversal of 207329081 is 180923702.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 198359056 + 8970025 = 14084^2 + 2995^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-207329081 is a prime.
It is a super-2 number, since 2×2073290812 = 85970695656609122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (207329051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103664540 + 103664541.
It is an arithmetic number, because the mean of its divisors is an integer number (103664541).
Almost surely, 2207329081 is an apocalyptic number.
It is an amenable number.
207329081 is a deficient number, since it is larger than the sum of its proper divisors (1).
207329081 is an equidigital number, since it uses as much as digits as its factorization.
207329081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 207329081 is about 14398.9263835885. The cubic root of 207329081 is about 591.8614778542.
The spelling of 207329081 in words is "two hundred seven million, three hundred twenty-nine thousand, eighty-one".
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