Base | Representation |
---|---|
bin | 1000100001010… |
… | …00000101010000 |
3 | 11222110220202200 |
4 | 10100220011100 |
5 | 121243423334 |
6 | 11031443200 |
7 | 1525314414 |
oct | 420500520 |
9 | 158426680 |
10 | 71467344 |
11 | 37383523 |
12 | 1bb26500 |
13 | 11a63690 |
14 | 96c4d44 |
15 | 641a799 |
hex | 4428150 |
71467344 has 60 divisors (see below), whose sum is σ = 215400276. Its totient is φ = 21989376.
The previous prime is 71467343. The next prime is 71467351. The reversal of 71467344 is 44376417.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6051600 + 65415744 = 2460^2 + 8088^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 71467299 and 71467308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71467343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17217 + ... + 20960.
Almost surely, 271467344 is an apocalyptic number.
It is an amenable number.
71467344 is an abundant number, since it is smaller than the sum of its proper divisors (143932932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71467344 is a wasteful number, since it uses less digits than its factorization.
71467344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38204 (or 38195 counting only the distinct ones).
The product of its digits is 56448, while the sum is 36.
The square root of 71467344 is about 8453.8360523493. The cubic root of 71467344 is about 414.9883269567.
The spelling of 71467344 in words is "seventy-one million, four hundred sixty-seven thousand, three hundred forty-four".
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