Search a number
-
+
723238012 = 22725829929
BaseRepresentation
bin101011000110111…
…011110001111100
31212101220022001001
4223012323301330
52440122104022
6155433300044
723631264430
oct5306736174
91771808031
10723238012
11341281472
12182264624
13b6ab75b3
146c0a69c0
1543762b27
hex2b1bbc7c

723238012 has 12 divisors (see below), whose sum is σ = 1446476080. Its totient is φ = 309959136.

The previous prime is 723238007. The next prime is 723238039. The reversal of 723238012 is 210832327.

723238012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 25829929 = 723238012 / (7 + 2 + 3 + 2 + 3 + 8 + 0 + 1 + 2).

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, 12914937 + ... + 12914992.

Almost surely, 2723238012 is an apocalyptic number.

It is an amenable number.

723238012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

723238012 is a wasteful number, since it uses less digits than its factorization.

723238012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25829940 (or 25829938 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 723238012 is about 26893.0848360689. The cubic root of 723238012 is about 897.6225366841.

The spelling of 723238012 in words is "seven hundred twenty-three million, two hundred thirty-eight thousand, twelve".

Divisors: 1 2 4 7 14 28 25829929 51659858 103319716 180809503 361619006 723238012