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816834444 = 223379179603
BaseRepresentation
bin110000101011111…
…110011110001100
32002221000111012120
4300223332132030
53133102200234
6213015332540
726145656346
oct6053763614
92087014176
10816834444
1138a099898
121a9681150
131002c84ba
147a6ac296
154baa0049
hex30afe78c

816834444 has 24 divisors (see below), whose sum is σ = 1910986560. Its totient is φ = 271558224.

The previous prime is 816834433. The next prime is 816834467. The reversal of 816834444 is 444438618.

It is a junction number, because it is equal to n+sod(n) for n = 816834396 and 816834405.

It is an unprimeable number.

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, 85254 + ... + 94349.

It is an arithmetic number, because the mean of its divisors is an integer number (79624440).

Almost surely, 2816834444 is an apocalyptic number.

It is an amenable number.

816834444 is an abundant number, since it is smaller than the sum of its proper divisors (1094152116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816834444 is a wasteful number, since it uses less digits than its factorization.

816834444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179989 (or 179987 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 816834444 is about 28580.3156735541. The cubic root of 816834444 is about 934.7841662964.

The spelling of 816834444 in words is "eight hundred sixteen million, eight hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 379 758 1137 1516 2274 4548 179603 359206 538809 718412 1077618 2155236 68069537 136139074 204208611 272278148 408417222 816834444