Base | Representation |
---|---|
bin | 11100001010011… |
… | …011110111001101 |
3 | 1012221002100212121 |
4 | 130022123313031 |
5 | 1431424410423 |
6 | 114515132541 |
7 | 14465110030 |
oct | 3412336715 |
9 | 1187070777 |
10 | 472497613 |
11 | 2227924a5 |
12 | 1122a4151 |
13 | 76b75bb3 |
14 | 46a77017 |
15 | 2b73445d |
hex | 1c29bdcd |
472497613 has 4 divisors (see below), whose sum is σ = 539997280. Its totient is φ = 404997948.
The previous prime is 472497593. The next prime is 472497617. The reversal of 472497613 is 316794274.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316794274 = 2 ⋅158397137.
It is a cyclic number.
It is not a de Polignac number, because 472497613 - 25 = 472497581 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 472497613.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472497617) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33749823 + ... + 33749836.
It is an arithmetic number, because the mean of its divisors is an integer number (134999320).
Almost surely, 2472497613 is an apocalyptic number.
It is an amenable number.
472497613 is a deficient number, since it is larger than the sum of its proper divisors (67499667).
472497613 is an equidigital number, since it uses as much as digits as its factorization.
472497613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67499666.
The product of its digits is 254016, while the sum is 43.
The square root of 472497613 is about 21737.0102129985. The cubic root of 472497613 is about 778.8728036899.
The spelling of 472497613 in words is "four hundred seventy-two million, four hundred ninety-seven thousand, six hundred thirteen".
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