Base | Representation |
---|---|
bin | 1000011110011… |
… | …10111101111010 |
3 | 11221210101001122 |
4 | 10033032331322 |
5 | 121200233310 |
6 | 11015545242 |
7 | 1522234265 |
oct | 417167572 |
9 | 157711048 |
10 | 71102330 |
11 | 37154262 |
12 | 1b98b222 |
13 | 119664b0 |
14 | 962bcdc |
15 | 6397555 |
hex | 43cef7a |
71102330 has 32 divisors (see below), whose sum is σ = 145941264. Its totient is φ = 24708096.
The previous prime is 71102327. The next prime is 71102333. The reversal of 71102330 is 3320117.
It is an interprime number because it is at equal distance from previous prime (71102327) and next prime (71102333).
It can be written as a sum of positive squares in 8 ways, for example, as 23726641 + 47375689 = 4871^2 + 6883^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 71102299 and 71102308.
It is not an unprimeable number, because it can be changed into a prime (71102333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13877 + ... + 18296.
Almost surely, 271102330 is an apocalyptic number.
71102330 is an abundant number, since it is smaller than the sum of its proper divisors (74838934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71102330 is a wasteful number, since it uses less digits than its factorization.
71102330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32210.
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 71102330 is about 8432.2197552009. The cubic root of 71102330 is about 414.2806136624.
Adding to 71102330 its reverse (3320117), we get a palindrome (74422447).
The spelling of 71102330 in words is "seventy-one million, one hundred two thousand, three hundred thirty".
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