Base | Representation |
---|---|
bin | 1000011110000… |
… | …00110000111000 |
3 | 11221200102020220 |
4 | 10033000300320 |
5 | 121141403102 |
6 | 11014420040 |
7 | 1521602544 |
oct | 417006070 |
9 | 157612226 |
10 | 71044152 |
11 | 37114583 |
12 | 1b961620 |
13 | 11945b7a |
14 | 9614a24 |
15 | 63851bc |
hex | 43c0c38 |
71044152 has 16 divisors (see below), whose sum is σ = 177610440. Its totient is φ = 23681376.
The previous prime is 71044123. The next prime is 71044153. The reversal of 71044152 is 25144017.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2960173 = 71044152 / (7 + 1 + 0 + 4 + 4 + 1 + 5 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71044153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480063 + ... + 1480110.
Almost surely, 271044152 is an apocalyptic number.
It is an amenable number.
71044152 is an abundant number, since it is smaller than the sum of its proper divisors (106566288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71044152 is a wasteful number, since it uses less digits than its factorization.
71044152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2960182 (or 2960178 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 71044152 is about 8428.7693051833. The cubic root of 71044152 is about 414.1675906705.
Adding to 71044152 its reverse (25144017), we get a palindrome (96188169).
The spelling of 71044152 in words is "seventy-one million, forty-four thousand, one hundred fifty-two".
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