Base | Representation |
---|---|
bin | 1000100001001… |
… | …00001000001110 |
3 | 11222110002112220 |
4 | 10100210020032 |
5 | 121242414100 |
6 | 11031240210 |
7 | 1525216251 |
oct | 420441016 |
9 | 158402486 |
10 | 71451150 |
11 | 37372341 |
12 | 1bb19066 |
13 | 11a591b4 |
14 | 96bd098 |
15 | 6415aa0 |
hex | 442420e |
71451150 has 48 divisors (see below), whose sum is σ = 177738624. Its totient is φ = 18995680.
The previous prime is 71451101. The next prime is 71451161. The reversal of 71451150 is 5115417.
It is a self number, because there is not a number n which added to its sum of digits gives 71451150.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74977 + ... + 75923.
It is an arithmetic number, because the mean of its divisors is an integer number (3702888).
Almost surely, 271451150 is an apocalyptic number.
71451150 is an abundant number, since it is smaller than the sum of its proper divisors (106287474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71451150 is a wasteful number, since it uses less digits than its factorization.
71451150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1465 (or 1460 counting only the distinct ones).
The product of its (nonzero) digits is 700, while the sum is 24.
The square root of 71451150 is about 8452.8782080425. The cubic root of 71451150 is about 414.9569801054.
Adding to 71451150 its reverse (5115417), we get a palindrome (76566567).
The spelling of 71451150 in words is "seventy-one million, four hundred fifty-one thousand, one hundred fifty".
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