Base | Representation |
---|---|
bin | 1000100001001… |
… | …11110011110001 |
3 | 11222110212020020 |
4 | 10100213303301 |
5 | 121243404400 |
6 | 11031434053 |
7 | 1525311225 |
oct | 420476361 |
9 | 158425206 |
10 | 71466225 |
11 | 373826a6 |
12 | 1bb25929 |
13 | 11a6300c |
14 | 96c4785 |
15 | 641a2a0 |
hex | 4427cf1 |
71466225 has 12 divisors (see below), whose sum is σ = 118157616. Its totient is φ = 38115280.
The previous prime is 71466173. The next prime is 71466229. The reversal of 71466225 is 52266417.
It is not a de Polignac number, because 71466225 - 28 = 71465969 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (71466229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476367 + ... + 476516.
It is an arithmetic number, because the mean of its divisors is an integer number (9846468).
Almost surely, 271466225 is an apocalyptic number.
71466225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
71466225 is a deficient number, since it is larger than the sum of its proper divisors (46691391).
71466225 is a wasteful number, since it uses less digits than its factorization.
71466225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 952896 (or 952891 counting only the distinct ones).
The product of its digits is 20160, while the sum is 33.
The square root of 71466225 is about 8453.7698691176. The cubic root of 71466225 is about 414.9861610520.
The spelling of 71466225 in words is "seventy-one million, four hundred sixty-six thousand, two hundred twenty-five".
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