Base | Representation |
---|---|
bin | 1000011101111… |
… | …01111001101001 |
3 | 11221122211011120 |
4 | 10032331321221 |
5 | 121141014200 |
6 | 11014245453 |
7 | 1521523422 |
oct | 416757151 |
9 | 157584146 |
10 | 71032425 |
11 | 37106792 |
12 | 1b956889 |
13 | 11940729 |
14 | 9610649 |
15 | 63819a0 |
hex | 43bde69 |
71032425 has 24 divisors (see below), whose sum is σ = 117816864. Its totient is φ = 37762560.
The previous prime is 71032417. The next prime is 71032427. The reversal of 71032425 is 52423017.
It is not a de Polignac number, because 71032425 - 23 = 71032417 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71032395 and 71032404.
It is not an unprimeable number, because it can be changed into a prime (71032427) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25134 + ... + 27816.
It is an arithmetic number, because the mean of its divisors is an integer number (4909036).
Almost surely, 271032425 is an apocalyptic number.
71032425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
71032425 is a deficient number, since it is larger than the sum of its proper divisors (46784439).
71032425 is a wasteful number, since it uses less digits than its factorization.
71032425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3049 (or 3044 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 71032425 is about 8428.0736233139. The cubic root of 71032425 is about 414.1448010368.
The spelling of 71032425 in words is "seventy-one million, thirty-two thousand, four hundred twenty-five".
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