Base | Representation |
---|---|
bin | 11100000001110… |
… | …100011111111001 |
3 | 1012202211121221121 |
4 | 130001310133321 |
5 | 1430340123400 |
6 | 114354505241 |
7 | 14436652561 |
oct | 3401643771 |
9 | 1182747847 |
10 | 470239225 |
11 | 22148a765 |
12 | 111595221 |
13 | 76564c81 |
14 | 46649da1 |
15 | 2b43a21a |
hex | 1c0747f9 |
470239225 has 9 divisors (see below), whose sum is σ = 583231117. Its totient is φ = 376104640.
The previous prime is 470239201. The next prime is 470239229. The reversal of 470239225 is 522932074.
It is a happy number.
The square root of 470239225 is 21685.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 251317609 + 218921616 = 15853^2 + 14796^2 .
It is not a de Polignac number, because 470239225 - 219 = 469714937 is a prime.
It is a super-2 number, since 2×4702392252 = 442249857457201250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (470239229) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106257 + ... + 110593.
Almost surely, 2470239225 is an apocalyptic number.
470239225 is the 21685-th square number.
470239225 is the 10843-rd centered octagonal number.
It is an amenable number.
470239225 is a deficient number, since it is larger than the sum of its proper divisors (112991892).
470239225 is an frugal number, since it uses more digits than its factorization.
470239225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8684 (or 4342 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 34.
The cubic root of 470239225 is about 777.6299000984.
The spelling of 470239225 in words is "four hundred seventy million, two hundred thirty-nine thousand, two hundred twenty-five".
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