Base | Representation |
---|---|
bin | 1000011110101… |
… | …10010000000000 |
3 | 11221211212222110 |
4 | 10033112100000 |
5 | 121202212120 |
6 | 11020335320 |
7 | 1522420251 |
oct | 417262000 |
9 | 157755873 |
10 | 71132160 |
11 | 37174710 |
12 | 1b9a4540 |
13 | 11976c48 |
14 | 9638b28 |
15 | 63a12e0 |
hex | 43d6400 |
71132160 has 176 divisors, whose sum is σ = 248784192. Its totient is φ = 17203200.
The previous prime is 71132119. The next prime is 71132177. The reversal of 71132160 is 6123117.
It is a tau number, because it is divible by the number of its divisors (176).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168750 + ... + 169170.
Almost surely, 271132160 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 71132160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124392096).
71132160 is an abundant number, since it is smaller than the sum of its proper divisors (177652032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71132160 is a wasteful number, since it uses less digits than its factorization.
71132160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460 (or 442 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 71132160 is about 8433.9883803572. The cubic root of 71132160 is about 414.3385407978.
Adding to 71132160 its reverse (6123117), we get a palindrome (77255277).
It can be divided in two parts, 71 and 132160, that added together give a palindrome (132231).
The spelling of 71132160 in words is "seventy-one million, one hundred thirty-two thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •