Base | Representation |
---|---|
bin | 1001100110010… |
… | …00110001101101 |
3 | 12121111112122211 |
4 | 10303020301231 |
5 | 131102423112 |
6 | 11553410421 |
7 | 1665234103 |
oct | 463106155 |
9 | 177445584 |
10 | 80514157 |
11 | 414a2529 |
12 | 22b69a11 |
13 | 138b0419 |
14 | a99bc73 |
15 | 71060a7 |
hex | 4cc8c6d |
80514157 has 2 divisors, whose sum is σ = 80514158. Its totient is φ = 80514156.
The previous prime is 80514151. The next prime is 80514169. The reversal of 80514157 is 75141508.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 70660836 + 9853321 = 8406^2 + 3139^2 .
It is a cyclic number.
It is not a de Polignac number, because 80514157 - 27 = 80514029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80514151) 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, 40257078 + 40257079.
It is an arithmetic number, because the mean of its divisors is an integer number (40257079).
Almost surely, 280514157 is an apocalyptic number.
It is an amenable number.
80514157 is a deficient number, since it is larger than the sum of its proper divisors (1).
80514157 is an equidigital number, since it uses as much as digits as its factorization.
80514157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5600, while the sum is 31.
The square root of 80514157 is about 8972.9681265454. The cubic root of 80514157 is about 431.8080655291.
The spelling of 80514157 in words is "eighty million, five hundred fourteen thousand, one hundred fifty-seven".
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