Base | Representation |
---|---|
bin | 110000001011000… |
… | …101111110010101 |
3 | 2002022210112202110 |
4 | 300023011332111 |
5 | 3123400330141 |
6 | 212110501233 |
7 | 26012465160 |
oct | 6013057625 |
9 | 2068715673 |
10 | 808214421 |
11 | 385241503 |
12 | 1a6804819 |
13 | cb59aab1 |
14 | 794a6ad7 |
15 | 4ae4ae16 |
hex | 302c5f95 |
808214421 has 32 divisors (see below), whose sum is σ = 1271449600. Its totient is φ = 447011136.
The previous prime is 808214401. The next prime is 808214441. The reversal of 808214421 is 124412808.
808214421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (808214401) and next prime (808214441).
It is not a de Polignac number, because 808214421 - 29 = 808213909 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808214401) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152010 + ... + 157236.
It is an arithmetic number, because the mean of its divisors is an integer number (39732800).
Almost surely, 2808214421 is an apocalyptic number.
It is an amenable number.
808214421 is a deficient number, since it is larger than the sum of its proper divisors (463235179).
808214421 is a wasteful number, since it uses less digits than its factorization.
808214421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5473.
The product of its (nonzero) digits is 4096, while the sum is 30.
The square root of 808214421 is about 28429.1122091422. The cubic root of 808214421 is about 931.4842837653.
The spelling of 808214421 in words is "eight hundred eight million, two hundred fourteen thousand, four hundred twenty-one".
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