Search a number
-
+
828818419 = 11213240531
BaseRepresentation
bin110001011001101…
…100001111110011
32010202120100010111
4301121230033303
53144134142134
6214124242151
726352561142
oct6131541763
92122510114
10828818419
11395934600
121b16a0357
13102933100
147c10b759
154cb6ac64
hex3166c3f3

828818419 has 18 divisors (see below), whose sum is σ = 986508348. Its totient is φ = 695494800.

The previous prime is 828818413. The next prime is 828818447. The reversal of 828818419 is 914818828.

It is not a de Polignac number, because 828818419 - 23 = 828818411 is a prime.

It is a super-2 number, since 2×8288184192 = 1373879943347319122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828818411) 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 17 ways as a sum of consecutive naturals, for example, 184 + ... + 40714.

Almost surely, 2828818419 is an apocalyptic number.

828818419 is a deficient number, since it is larger than the sum of its proper divisors (157689929).

828818419 is a wasteful number, since it uses less digits than its factorization.

828818419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40579 (or 40555 counting only the distinct ones).

The product of its digits is 294912, while the sum is 49.

The square root of 828818419 is about 28789.2066406839. The cubic root of 828818419 is about 939.3334715869. Note that the first 3 decimals are identical.

The spelling of 828818419 in words is "eight hundred twenty-eight million, eight hundred eighteen thousand, four hundred nineteen".

Divisors: 1 11 13 121 143 169 1573 1859 20449 40531 445841 526903 4904251 5795933 6849739 63755263 75347129 828818419