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803424161 = 7247110863
BaseRepresentation
bin101111111000110…
…100011110100001
32001222210011202102
4233320310132201
53121134033121
6211420100145
725623664331
oct5770643641
92058704672
10803424161
1138256a511
121a5094655
13ca5b1617
14789bb0c1
154a80190b
hex2fe347a1

803424161 has 4 divisors (see below), whose sum is σ = 803542272. Its totient is φ = 803306052.

The previous prime is 803424133. The next prime is 803424163. The reversal of 803424161 is 161424308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 803424161 - 226 = 736315297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803424163) 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 3 ways as a sum of consecutive naturals, for example, 48185 + ... + 62678.

It is an arithmetic number, because the mean of its divisors is an integer number (200885568).

Almost surely, 2803424161 is an apocalyptic number.

It is an amenable number.

803424161 is a deficient number, since it is larger than the sum of its proper divisors (118111).

803424161 is a wasteful number, since it uses less digits than its factorization.

803424161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118110.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 803424161 is about 28344.7378008688. The cubic root of 803424161 is about 929.6403438366.

Adding to 803424161 its reverse (161424308), we get a palindrome (964848469).

The spelling of 803424161 in words is "eight hundred three million, four hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 7247 110863 803424161