Base | Representation |
---|---|
bin | 1110011011011110011 |
3 | 220000120211 |
4 | 1303123303 |
5 | 110112234 |
6 | 14044551 |
7 | 4006324 |
oct | 1633363 |
9 | 800524 |
10 | 472819 |
11 | 2a3266 |
12 | 1a9757 |
13 | 137299 |
14 | c444b |
15 | 95164 |
hex | 736f3 |
472819 has 4 divisors (see below), whose sum is σ = 479944. Its totient is φ = 465696.
The previous prime is 472817. The next prime is 472831. The reversal of 472819 is 918274.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 472819 - 21 = 472817 is a prime.
It is a super-2 number, since 2×4728192 = 447115613522, which contains 22 as substring.
It is a Duffinian number.
472819 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (472817) 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 3 ways as a sum of consecutive naturals, for example, 3462 + ... + 3595.
It is an arithmetic number, because the mean of its divisors is an integer number (119986).
2472819 is an apocalyptic number.
472819 is a deficient number, since it is larger than the sum of its proper divisors (7125).
472819 is an equidigital number, since it uses as much as digits as its factorization.
472819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7124.
The product of its digits is 4032, while the sum is 31.
The square root of 472819 is about 687.6183534491. The cubic root of 472819 is about 77.9049356864.
The spelling of 472819 in words is "four hundred seventy-two thousand, eight hundred nineteen".
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