Search a number
-
+
723668412 = 223232621987
BaseRepresentation
bin101011001000100…
…100110110111100
31212102201011102210
4223020210312330
52440224342122
6155450420420
723635036305
oct5310446674
91772634383
10723668412
11341545875
12182431710
13b6c0847c
146c1797ac
15437ea40c
hex2b224dbc

723668412 has 24 divisors (see below), whose sum is σ = 1761975936. Its totient is φ = 230734768.

The previous prime is 723668401. The next prime is 723668441. The reversal of 723668412 is 214866327.

It is a happy number.

723668412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310718 + ... + 1311269.

It is an arithmetic number, because the mean of its divisors is an integer number (73415664).

Almost surely, 2723668412 is an apocalyptic number.

It is an amenable number.

723668412 is an abundant number, since it is smaller than the sum of its proper divisors (1038307524).

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

723668412 is a wasteful number, since it uses less digits than its factorization.

723668412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622017 (or 2622015 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 723668412 is about 26901.0857029972. The cubic root of 723668412 is about 897.8005602034.

The spelling of 723668412 in words is "seven hundred twenty-three million, six hundred sixty-eight thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 2621987 5243974 7865961 10487948 15731922 31463844 60305701 120611402 180917103 241222804 361834206 723668412