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803143823 = 14917930113
BaseRepresentation
bin101111110111110…
…000000010001111
32001222020221012112
4233313300002033
53121101100243
6211410054235
725621416116
oct5767600217
92058227175
10803143823
11382398929
121a4b7a37b
13ca513b41
1478946c7d
154a798818
hex2fdf008f

803143823 has 8 divisors (see below), whose sum is σ = 813078000. Its totient is φ = 793270528.

The previous prime is 803143787. The next prime is 803143829. The reversal of 803143823 is 328341308.

It is a happy number.

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 803143823 - 222 = 798949519 is a prime.

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 803143823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803143829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11615 + ... + 41727.

It is an arithmetic number, because the mean of its divisors is an integer number (101634750).

Almost surely, 2803143823 is an apocalyptic number.

803143823 is a deficient number, since it is larger than the sum of its proper divisors (9934177).

803143823 is a wasteful number, since it uses less digits than its factorization.

803143823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30441.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 803143823 is about 28339.7922187161. The cubic root of 803143823 is about 929.5322050953.

The spelling of 803143823 in words is "eight hundred three million, one hundred forty-three thousand, eight hundred twenty-three".

Divisors: 1 149 179 26671 30113 4486837 5390227 803143823