Base | Representation |
---|---|
bin | 1000100111110… |
… | …10011001010110 |
3 | 12001002200110002 |
4 | 10103322121112 |
5 | 122004010130 |
6 | 11102131302 |
7 | 1535533052 |
oct | 423723126 |
9 | 161080402 |
10 | 72328790 |
11 | 37911766 |
12 | 20280b32 |
13 | 11ca5801 |
14 | 986ac62 |
15 | 653ab45 |
hex | 44fa656 |
72328790 has 32 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 27405664.
The previous prime is 72328759. The next prime is 72328799. The reversal of 72328790 is 9782327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72328799) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23141 + ... + 26079.
It is an arithmetic number, because the mean of its divisors is an integer number (4286520).
Almost surely, 272328790 is an apocalyptic number.
72328790 is a deficient number, since it is larger than the sum of its proper divisors (64839850).
72328790 is a wasteful number, since it uses less digits than its factorization.
72328790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3076.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 72328790 is about 8504.6334430121. The cubic root of 72328790 is about 416.6490538333.
The spelling of 72328790 in words is "seventy-two million, three hundred twenty-eight thousand, seven hundred ninety".
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