Base | Representation |
---|---|
bin | 1000011110101… |
… | …00111000000000 |
3 | 11221211121020212 |
4 | 10033110320000 |
5 | 121202022103 |
6 | 11020253252 |
7 | 1522364654 |
oct | 417247000 |
9 | 157747225 |
10 | 71126528 |
11 | 37170460 |
12 | 1b9a1228 |
13 | 11974505 |
14 | 9636a64 |
15 | 639e7d8 |
hex | 43d4e00 |
71126528 has 80 divisors (see below), whose sum is σ = 158065776. Its totient is φ = 31703040.
The previous prime is 71126527. The next prime is 71126537. The reversal of 71126528 is 82562117.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 71126494 and 71126503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71126527) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411050 + ... + 411222.
Almost surely, 271126528 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71126528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79032888).
71126528 is an abundant number, since it is smaller than the sum of its proper divisors (86939248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71126528 is a wasteful number, since it uses less digits than its factorization.
71126528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275 (or 259 counting only the distinct ones).
The product of its digits is 6720, while the sum is 32.
The square root of 71126528 is about 8433.6544866386. The cubic root of 71126528 is about 414.3276052086.
The spelling of 71126528 in words is "seventy-one million, one hundred twenty-six thousand, five hundred twenty-eight".
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