Base | Representation |
---|---|
bin | 11100001010010… |
… | …101110001001101 |
3 | 1012221001002122011 |
4 | 130022111301031 |
5 | 1431423111103 |
6 | 114514421221 |
7 | 14464644202 |
oct | 3412256115 |
9 | 1187032564 |
10 | 472472653 |
11 | 222775774 |
12 | 112291811 |
13 | 76b67723 |
14 | 46a6bca9 |
15 | 2b72bd6d |
hex | 1c295c4d |
472472653 has 4 divisors (see below), whose sum is σ = 500265180. Its totient is φ = 444680128.
The previous prime is 472472629. The next prime is 472472657. The reversal of 472472653 is 356274274.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356274274 = 2 ⋅178137137.
It can be written as a sum of positive squares in 2 ways, for example, as 250968964 + 221503689 = 15842^2 + 14883^2 .
It is a cyclic number.
It is not a de Polignac number, because 472472653 - 25 = 472472621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472472657) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13896238 + ... + 13896271.
It is an arithmetic number, because the mean of its divisors is an integer number (125066295).
Almost surely, 2472472653 is an apocalyptic number.
It is an amenable number.
472472653 is a deficient number, since it is larger than the sum of its proper divisors (27792527).
472472653 is a wasteful number, since it uses less digits than its factorization.
472472653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27792526.
The product of its digits is 282240, while the sum is 40.
The square root of 472472653 is about 21736.4360694204. The cubic root of 472472653 is about 778.8590886241.
It can be divided in two parts, 4724 and 72653, that added together give a palindrome (77377).
The spelling of 472472653 in words is "four hundred seventy-two million, four hundred seventy-two thousand, six hundred fifty-three".
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