Base | Representation |
---|---|
bin | 1000100001000… |
… | …11110110011010 |
3 | 11222110000222200 |
4 | 10100203312122 |
5 | 121242400020 |
6 | 11031231030 |
7 | 1525213032 |
oct | 420436632 |
9 | 158400880 |
10 | 71450010 |
11 | 373714a5 |
12 | 1bb18476 |
13 | 11a58818 |
14 | 96bc8c2 |
15 | 6415590 |
hex | 4423d9a |
71450010 has 24 divisors (see below), whose sum is σ = 185770260. Its totient is φ = 19053312.
The previous prime is 71449979. The next prime is 71450033. The reversal of 71450010 is 1005417.
It can be written as a sum of positive squares in 2 ways, for example, as 71216721 + 233289 = 8439^2 + 483^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a zygodrome in base 3.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396855 + ... + 397034.
Almost surely, 271450010 is an apocalyptic number.
71450010 is an abundant number, since it is smaller than the sum of its proper divisors (114320250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71450010 is a wasteful number, since it uses less digits than its factorization.
71450010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 793902 (or 793899 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 71450010 is about 8452.8107751209. The cubic root of 71450010 is about 414.9547732201.
Adding to 71450010 its reverse (1005417), we get a palindrome (72455427).
The spelling of 71450010 in words is "seventy-one million, four hundred fifty thousand, ten".
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