Base | Representation |
---|---|
bin | 101101011000011… |
… | …110000000100101 |
3 | 1222001200120111001 |
4 | 231120132000211 |
5 | 3024403422333 |
6 | 203315113301 |
7 | 24603462163 |
oct | 5530360045 |
9 | 1861616431 |
10 | 761389093 |
11 | 360869993 |
12 | 192ba2831 |
13 | c19846ba |
14 | 73198233 |
15 | 46c9bb7d |
hex | 2d61e025 |
761389093 has 2 divisors, whose sum is σ = 761389094. Its totient is φ = 761389092.
The previous prime is 761389091. The next prime is 761389117. The reversal of 761389093 is 390983167.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 716472289 + 44916804 = 26767^2 + 6702^2 .
It is a cyclic number.
It is not a de Polignac number, because 761389093 - 21 = 761389091 is a prime.
Together with 761389091, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (761389091) 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, 380694546 + 380694547.
It is an arithmetic number, because the mean of its divisors is an integer number (380694547).
Almost surely, 2761389093 is an apocalyptic number.
It is an amenable number.
761389093 is a deficient number, since it is larger than the sum of its proper divisors (1).
761389093 is an equidigital number, since it uses as much as digits as its factorization.
761389093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 244944, while the sum is 46.
The square root of 761389093 is about 27593.2798521669. The cubic root of 761389093 is about 913.1361795696.
The spelling of 761389093 in words is "seven hundred sixty-one million, three hundred eighty-nine thousand, ninety-three".
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