Base | Representation |
---|---|
bin | 1000100100110… |
… | …11111101001000 |
3 | 12000101000211001 |
4 | 10102123331020 |
5 | 121404120320 |
6 | 11045544344 |
7 | 1532332216 |
oct | 422337510 |
9 | 160330731 |
10 | 71941960 |
11 | 37678072 |
12 | 201150b4 |
13 | 11b9b70c |
14 | 97a9cb6 |
15 | 64b120a |
hex | 449bf48 |
71941960 has 64 divisors (see below), whose sum is σ = 175115520. Its totient is φ = 26496000.
The previous prime is 71941937. The next prime is 71941963. The reversal of 71941960 is 6914917.
It is not an unprimeable number, because it can be changed into a prime (71941963) by changing a digit.
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, 30835 + ... + 33085.
It is an arithmetic number, because the mean of its divisors is an integer number (2736180).
Almost surely, 271941960 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 71941960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87557760).
71941960 is an abundant number, since it is smaller than the sum of its proper divisors (103173560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71941960 is a wasteful number, since it uses less digits than its factorization.
71941960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2326 (or 2322 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 37.
The square root of 71941960 is about 8481.8606449293. The cubic root of 71941960 is about 415.9049493144.
The spelling of 71941960 in words is "seventy-one million, nine hundred forty-one thousand, nine hundred sixty".
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