Search a number
-
+
823822068 = 22368651839
BaseRepresentation
bin110001000110101…
…000011011110100
32010102011111102110
4301012220123310
53141344301233
6213425211020
726262241416
oct6106503364
92112144373
10823822068
11393031793
121aba90a70
131018a3ba4
147b5aa9b6
154c4d0663
hex311a86f4

823822068 has 12 divisors (see below), whose sum is σ = 1922251520. Its totient is φ = 274607352.

The previous prime is 823822039. The next prime is 823822081. The reversal of 823822068 is 860228328.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34325908 + ... + 34325931.

Almost surely, 2823822068 is an apocalyptic number.

It is an amenable number.

823822068 is an abundant number, since it is smaller than the sum of its proper divisors (1098429452).

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

823822068 is a wasteful number, since it uses less digits than its factorization.

823822068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68651846 (or 68651844 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 823822068 is about 28702.3007440170. The cubic root of 823822068 is about 937.4421437007.

The spelling of 823822068 in words is "eight hundred twenty-three million, eight hundred twenty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 68651839 137303678 205955517 274607356 411911034 823822068