Base | Representation |
---|---|
bin | 1000100001010… |
… | …00010001110000 |
3 | 11222110221212022 |
4 | 10100220101300 |
5 | 121243440034 |
6 | 11031451012 |
7 | 1525316636 |
oct | 420502160 |
9 | 158427768 |
10 | 71468144 |
11 | 37384090 |
12 | 1bb26a68 |
13 | 11a63b57 |
14 | 96c5356 |
15 | 641ab2e |
hex | 4428470 |
71468144 has 40 divisors (see below), whose sum is σ = 155942400. Its totient is φ = 31435200.
The previous prime is 71468143. The next prime is 71468147. The reversal of 71468144 is 44186417.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71468141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 12005.
It is an arithmetic number, because the mean of its divisors is an integer number (3898560).
Almost surely, 271468144 is an apocalyptic number.
It is an amenable number.
71468144 is an abundant number, since it is smaller than the sum of its proper divisors (84474256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71468144 is a wasteful number, since it uses less digits than its factorization.
71468144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13149 (or 13143 counting only the distinct ones).
The product of its digits is 21504, while the sum is 35.
The square root of 71468144 is about 8453.8833680150. The cubic root of 71468144 is about 414.9898754002.
The spelling of 71468144 in words is "seventy-one million, four hundred sixty-eight thousand, one hundred forty-four".
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