Base | Representation |
---|---|
bin | 11100001011110… |
… | …111001010100011 |
3 | 1012221210100212111 |
4 | 130023313022203 |
5 | 1432023342322 |
6 | 114531140151 |
7 | 14501225236 |
oct | 3413671243 |
9 | 1187710774 |
10 | 472871587 |
11 | 222a18471 |
12 | 112444657 |
13 | 76c77196 |
14 | 46b3341d |
15 | 2b7aa177 |
hex | 1c2f72a3 |
472871587 has 4 divisors (see below), whose sum is σ = 473248440. Its totient is φ = 472494736.
The previous prime is 472871557. The next prime is 472871599. The reversal of 472871587 is 785178274.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 785178274 = 2 ⋅392589137.
It is a cyclic number.
It is not a de Polignac number, because 472871587 - 223 = 464482979 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 472871587.
It is not an unprimeable number, because it can be changed into a prime (472871527) 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, 186538 + ... + 189055.
It is an arithmetic number, because the mean of its divisors is an integer number (118312110).
Almost surely, 2472871587 is an apocalyptic number.
472871587 is a deficient number, since it is larger than the sum of its proper divisors (376853).
472871587 is a wasteful number, since it uses less digits than its factorization.
472871587 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376852.
The product of its digits is 878080, while the sum is 49.
The square root of 472871587 is about 21745.6107525174. The cubic root of 472871587 is about 779.0782377890.
The spelling of 472871587 in words is "four hundred seventy-two million, eight hundred seventy-one thousand, five hundred eighty-seven".
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