Base | Representation |
---|---|
bin | 1000101000001… |
… | …11011001001100 |
3 | 12001012101110212 |
4 | 10110013121030 |
5 | 122012211103 |
6 | 11103221552 |
7 | 1536144215 |
oct | 424073114 |
9 | 161171425 |
10 | 72382028 |
11 | 37948764 |
12 | 202a78b8 |
13 | 11cc3b04 |
14 | 988240c |
15 | 654b7d8 |
hex | 450764c |
72382028 has 12 divisors (see below), whose sum is σ = 131036640. Its totient is φ = 34942992.
The previous prime is 72382019. The next prime is 72382033. The reversal of 72382028 is 82028327.
It is a junction number, because it is equal to n+sod(n) for n = 72381985 and 72382003.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311876 + ... + 312107.
It is an arithmetic number, because the mean of its divisors is an integer number (10919720).
Almost surely, 272382028 is an apocalyptic number.
It is an amenable number.
72382028 is a deficient number, since it is larger than the sum of its proper divisors (58654612).
72382028 is a wasteful number, since it uses less digits than its factorization.
72382028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 624016 (or 624014 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 72382028 is about 8507.7628081653. The cubic root of 72382028 is about 416.7512543644.
The spelling of 72382028 in words is "seventy-two million, three hundred eighty-two thousand, twenty-eight".
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