Base | Representation |
---|---|
bin | 10000101101001… |
… | …001100011001101 |
3 | 201112101020121101 |
4 | 100231021203031 |
5 | 1033222133203 |
6 | 43451103101 |
7 | 6642156526 |
oct | 2055114315 |
9 | 645336541 |
10 | 280271053 |
11 | 134229877 |
12 | 79a41a91 |
13 | 460b0b7a |
14 | 2931984d |
15 | 1991341d |
hex | 10b498cd |
280271053 has 2 divisors, whose sum is σ = 280271054. Its totient is φ = 280271052.
The previous prime is 280271021. The next prime is 280271087. The reversal of 280271053 is 350172082.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 142396489 + 137874564 = 11933^2 + 11742^2 .
It is a cyclic number.
It is not a de Polignac number, because 280271053 - 25 = 280271021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (280271153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140135526 + 140135527.
It is an arithmetic number, because the mean of its divisors is an integer number (140135527).
Almost surely, 2280271053 is an apocalyptic number.
It is an amenable number.
280271053 is a deficient number, since it is larger than the sum of its proper divisors (1).
280271053 is an equidigital number, since it uses as much as digits as its factorization.
280271053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 280271053 is about 16741.2978290215. The cubic root of 280271053 is about 654.4242968925.
The spelling of 280271053 in words is "two hundred eighty million, two hundred seventy-one thousand, fifty-three".
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