Base | Representation |
---|---|
bin | 110000100000011… |
… | …101001011000111 |
3 | 2002201100001120201 |
4 | 300200131023013 |
5 | 3131314030341 |
6 | 212430511331 |
7 | 26111210641 |
oct | 6040351307 |
9 | 2081301521 |
10 | 813814471 |
11 | 388416948 |
12 | 1a8665547 |
13 | cc7aba32 |
14 | 7a123891 |
15 | 4b6a5331 |
hex | 3081d2c7 |
813814471 has 8 divisors (see below), whose sum is σ = 826107200. Its totient is φ = 801571680.
The previous prime is 813814459. The next prime is 813814483. The reversal of 813814471 is 174418318.
It is an interprime number because it is at equal distance from previous prime (813814459) and next prime (813814483).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 813814471 - 229 = 276943559 is a prime.
It is a super-3 number, since 3×8138144713 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 813814471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (813814411) 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 in 7 ways as a sum of consecutive naturals, for example, 21025 + ... + 45493.
It is an arithmetic number, because the mean of its divisors is an integer number (103263400).
Almost surely, 2813814471 is an apocalyptic number.
813814471 is a deficient number, since it is larger than the sum of its proper divisors (12292729).
813814471 is a wasteful number, since it uses less digits than its factorization.
813814471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24969.
The product of its digits is 21504, while the sum is 37.
The square root of 813814471 is about 28527.4336560441. The cubic root of 813814471 is about 933.6307260494.
The spelling of 813814471 in words is "eight hundred thirteen million, eight hundred fourteen thousand, four hundred seventy-one".
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