Base | Representation |
---|---|
bin | 1000100011101… |
… | …11000110010100 |
3 | 12000002100201210 |
4 | 10101313012110 |
5 | 121334302441 |
6 | 11042421420 |
7 | 1531133124 |
oct | 421670624 |
9 | 160070653 |
10 | 71790996 |
11 | 37584702 |
12 | 20061870 |
13 | 11b47aa4 |
14 | 976ac84 |
15 | 6481616 |
hex | 4477194 |
71790996 has 24 divisors (see below), whose sum is σ = 171077760. Its totient is φ = 23420992.
The previous prime is 71790977. The next prime is 71791003. The reversal of 71790996 is 69909717.
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, 63081 + ... + 64208.
It is an arithmetic number, because the mean of its divisors is an integer number (7128240).
Almost surely, 271790996 is an apocalyptic number.
It is an amenable number.
71790996 is an abundant number, since it is smaller than the sum of its proper divisors (99286764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71790996 is a wasteful number, since it uses less digits than its factorization.
71790996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127343 (or 127341 counting only the distinct ones).
The product of its (nonzero) digits is 214326, while the sum is 48.
The square root of 71790996 is about 8472.9567448442. The cubic root of 71790996 is about 415.6138320326.
The spelling of 71790996 in words is "seventy-one million, seven hundred ninety thousand, nine hundred ninety-six".
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