Base | Representation |
---|---|
bin | 1000100111110… |
… | …01001111001010 |
3 | 12001002102221020 |
4 | 10103321033022 |
5 | 122003332132 |
6 | 11102053310 |
7 | 1535513160 |
oct | 423711712 |
9 | 161072836 |
10 | 72324042 |
11 | 3790913a |
12 | 2027a236 |
13 | 11ca35bb |
14 | 9869230 |
15 | 653952c |
hex | 44f93ca |
72324042 has 32 divisors (see below), whose sum is σ = 167311872. Its totient is φ = 20414064.
The previous prime is 72324037. The next prime is 72324067. The reversal of 72324042 is 24042327.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6888 + ... + 13859.
It is an arithmetic number, because the mean of its divisors is an integer number (5228496).
Almost surely, 272324042 is an apocalyptic number.
72324042 is an abundant number, since it is smaller than the sum of its proper divisors (94987830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72324042 is a wasteful number, since it uses less digits than its factorization.
72324042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20842.
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 72324042 is about 8504.3542964766. The cubic root of 72324042 is about 416.6399367030.
Adding to 72324042 its reverse (24042327), we get a palindrome (96366369).
The spelling of 72324042 in words is "seventy-two million, three hundred twenty-four thousand, forty-two".
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