Base | Representation |
---|---|
bin | 1000011111001… |
… | …11110101000000 |
3 | 11221222112202010 |
4 | 10033213311000 |
5 | 121212013120 |
6 | 11022052520 |
7 | 1523140206 |
oct | 417476500 |
9 | 157875663 |
10 | 71204160 |
11 | 37213815 |
12 | 1ba1a140 |
13 | 119a0951 |
14 | 9657076 |
15 | 63b77e0 |
hex | 43e7d40 |
71204160 has 112 divisors (see below), whose sum is σ = 239426496. Its totient is φ = 17866752.
The previous prime is 71204149. The next prime is 71204171. The reversal of 71204160 is 6140217.
It is an interprime number because it is at equal distance from previous prime (71204149) and next prime (71204171).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14139 + ... + 18501.
Almost surely, 271204160 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 71204160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119713248).
71204160 is an abundant number, since it is smaller than the sum of its proper divisors (168222336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71204160 is a wasteful number, since it uses less digits than its factorization.
71204160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4400 (or 4390 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 71204160 is about 8438.2557439319. The cubic root of 71204160 is about 414.4782915338.
Adding to 71204160 its reverse (6140217), we get a palindrome (77344377).
The spelling of 71204160 in words is "seventy-one million, two hundred four thousand, one hundred sixty".
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