Base | Representation |
---|---|
bin | 1001100100011… |
… | …01000010010001 |
3 | 12121001002222212 |
4 | 10302031002101 |
5 | 131022110312 |
6 | 11544241505 |
7 | 1663164512 |
oct | 462150221 |
9 | 177032885 |
10 | 80269457 |
11 | 413456a4 |
12 | 22a70295 |
13 | 13825c28 |
14 | a936a09 |
15 | 70a8822 |
hex | 4c8d091 |
80269457 has 2 divisors, whose sum is σ = 80269458. Its totient is φ = 80269456.
The previous prime is 80269439. The next prime is 80269463. The reversal of 80269457 is 75496208.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 80263681 + 5776 = 8959^2 + 76^2 .
It is a cyclic number.
It is not a de Polignac number, because 80269457 - 28 = 80269201 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80269487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40134728 + 40134729.
It is an arithmetic number, because the mean of its divisors is an integer number (40134729).
Almost surely, 280269457 is an apocalyptic number.
It is an amenable number.
80269457 is a deficient number, since it is larger than the sum of its proper divisors (1).
80269457 is an equidigital number, since it uses as much as digits as its factorization.
80269457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 80269457 is about 8959.3223516067. The cubic root of 80269457 is about 431.3701687940.
The spelling of 80269457 in words is "eighty million, two hundred sixty-nine thousand, four hundred fifty-seven".
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