Base | Representation |
---|---|
bin | 1000101011101… |
… | …01100001110000 |
3 | 12002001022021120 |
4 | 10111311201300 |
5 | 122121130021 |
6 | 11121022240 |
7 | 1543033335 |
oct | 425654160 |
9 | 162038246 |
10 | 72833136 |
11 | 38126682 |
12 | 20484980 |
13 | 1212123c |
14 | 995c98c |
15 | 65da2c6 |
hex | 4575870 |
72833136 has 40 divisors (see below), whose sum is σ = 194225664. Its totient is φ = 23494080.
The previous prime is 72833113. The next prime is 72833143. The reversal of 72833136 is 63133827.
It is a junction number, because it is equal to n+sod(n) for n = 72833097 and 72833106.
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, 22986 + ... + 25961.
Almost surely, 272833136 is an apocalyptic number.
It is an amenable number.
72833136 is an abundant number, since it is smaller than the sum of its proper divisors (121392528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72833136 is a wasteful number, since it uses less digits than its factorization.
72833136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48989 (or 48983 counting only the distinct ones).
The product of its digits is 18144, while the sum is 33.
The square root of 72833136 is about 8534.2331817217. The cubic root of 72833136 is about 417.6152377699.
The spelling of 72833136 in words is "seventy-two million, eight hundred thirty-three thousand, one hundred thirty-six".
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