Base | Representation |
---|---|
bin | 110000001001101… |
… | …111110010011001 |
3 | 2002022010121111122 |
4 | 300021233302121 |
5 | 3123303031101 |
6 | 212055135025 |
7 | 26006465024 |
oct | 6011576231 |
9 | 2068117448 |
10 | 807861401 |
11 | 385020256 |
12 | 1a6674475 |
13 | cb4a61c9 |
14 | 794141bb |
15 | 4adcb51b |
hex | 3026fc99 |
807861401 has 2 divisors, whose sum is σ = 807861402. Its totient is φ = 807861400.
The previous prime is 807861371. The next prime is 807861419. The reversal of 807861401 is 104168708.
807861401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 432432025 + 375429376 = 20795^2 + 19376^2 .
It is a cyclic number.
It is not a de Polignac number, because 807861401 - 26 = 807861337 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (807861421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403930700 + 403930701.
It is an arithmetic number, because the mean of its divisors is an integer number (403930701).
Almost surely, 2807861401 is an apocalyptic number.
It is an amenable number.
807861401 is a deficient number, since it is larger than the sum of its proper divisors (1).
807861401 is an equidigital number, since it uses as much as digits as its factorization.
807861401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 807861401 is about 28422.9027546449. The cubic root of 807861401 is about 931.3486429989.
The spelling of 807861401 in words is "eight hundred seven million, eight hundred sixty-one thousand, four hundred one".
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