Base | Representation |
---|---|
bin | 100110001110… |
… | …100001110001 |
3 | 200212010012022 |
4 | 212032201301 |
5 | 10031132402 |
6 | 554441225 |
7 | 151114451 |
oct | 46164161 |
9 | 20763168 |
10 | 10020977 |
11 | 57249aa |
12 | 3433215 |
13 | 20cb295 |
14 | 148bd61 |
15 | d2e2a2 |
hex | 98e871 |
10020977 has 2 divisors, whose sum is σ = 10020978. Its totient is φ = 10020976.
The previous prime is 10020971. The next prime is 10021001. The reversal of 10020977 is 77902001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5424241 + 4596736 = 2329^2 + 2144^2 .
It is an emirp because it is prime and its reverse (77902001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10020977 - 216 = 9955441 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (10020971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010488 + 5010489.
It is an arithmetic number, because the mean of its divisors is an integer number (5010489).
Almost surely, 210020977 is an apocalyptic number.
It is an amenable number.
10020977 is a deficient number, since it is larger than the sum of its proper divisors (1).
10020977 is an equidigital number, since it uses as much as digits as its factorization.
10020977 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 882, while the sum is 26.
The square root of 10020977 is about 3165.5926775250. The cubic root of 10020977 is about 215.5940090446.
Adding to 10020977 its reverse (77902001), we get a palindrome (87922978).
The spelling of 10020977 in words is "ten million, twenty thousand, nine hundred seventy-seven".
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