Search a number
-
+
823948056 = 233211443723
BaseRepresentation
bin110001000111000…
…111001100011000
32010102101220020200
4301013013030120
53141412314211
6213432022200
726263304631
oct6107071430
92112356220
10823948056
11393108408
121abb31960
13101919339
147b600888
154c507b56
hex311c7318

823948056 has 24 divisors (see below), whose sum is σ = 2231526180. Its totient is φ = 274649328.

The previous prime is 823948051. The next prime is 823948057. The reversal of 823948056 is 650849328.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823948051) 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 5 ways as a sum of consecutive naturals, for example, 5721790 + ... + 5721933.

Almost surely, 2823948056 is an apocalyptic number.

It is an amenable number.

823948056 is an abundant number, since it is smaller than the sum of its proper divisors (1407578124).

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

823948056 is a wasteful number, since it uses less digits than its factorization.

823948056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11443735 (or 11443728 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 823948056 is about 28704.4953970628. The cubic root of 823948056 is about 937.4899292785.

The spelling of 823948056 in words is "eight hundred twenty-three million, nine hundred forty-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 11443723 22887446 34331169 45774892 68662338 91549784 102993507 137324676 205987014 274649352 411974028 823948056