Base | Representation |
---|---|
bin | 1000011110101… |
… | …00010001011100 |
3 | 11221211110212110 |
4 | 10033110101130 |
5 | 121201432220 |
6 | 11020234020 |
7 | 1522354530 |
oct | 417242134 |
9 | 157743773 |
10 | 71124060 |
11 | 37169617 |
12 | 1b99b910 |
13 | 11973357 |
14 | 9635bc0 |
15 | 639dbe0 |
hex | 43d445c |
71124060 has 48 divisors (see below), whose sum is σ = 227598336. Its totient is φ = 16256832.
The previous prime is 71124047. The next prime is 71124103. The reversal of 71124060 is 6042117.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 84252 + ... + 85091.
It is an arithmetic number, because the mean of its divisors is an integer number (4741632).
Almost surely, 271124060 is an apocalyptic number.
71124060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
71124060 is an abundant number, since it is smaller than the sum of its proper divisors (156474276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71124060 is a wasteful number, since it uses less digits than its factorization.
71124060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169362 (or 169360 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 71124060 is about 8433.5081668307. The cubic root of 71124060 is about 414.3228129396.
Adding to 71124060 its reverse (6042117), we get a palindrome (77166177).
The spelling of 71124060 in words is "seventy-one million, one hundred twenty-four thousand, sixty".
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