Base | Representation |
---|---|
bin | 1010010111110… |
… | …01010100111010 |
3 | 20001201021200221 |
4 | 11023321110322 |
5 | 134233120344 |
6 | 12344450254 |
7 | 2104345234 |
oct | 513712472 |
9 | 201637627 |
10 | 87004474 |
11 | 45125827 |
12 | 2517998a |
13 | 1504364b |
14 | b7ab254 |
15 | 7989184 |
hex | 52f953a |
87004474 has 8 divisors (see below), whose sum is σ = 130554900. Its totient is φ = 43486176.
The previous prime is 87004471. The next prime is 87004481. The reversal of 87004474 is 47440078.
It can be written as a sum of positive squares in 2 ways, for example, as 74080449 + 12924025 = 8607^2 + 3595^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (87004471) 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, 592 + ... + 13204.
Almost surely, 287004474 is an apocalyptic number.
87004474 is a deficient number, since it is larger than the sum of its proper divisors (43550426).
87004474 is a wasteful number, since it uses less digits than its factorization.
87004474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16064.
The product of its (nonzero) digits is 25088, while the sum is 34.
The square root of 87004474 is about 9327.6188815796. The cubic root of 87004474 is about 443.1123576357.
It can be divided in two parts, 87004 and 474, that added together give a palindrome (87478).
The spelling of 87004474 in words is "eighty-seven million, four thousand, four hundred seventy-four".
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