Base | Representation |
---|---|
bin | 1010011011000… |
… | …10011011111001 |
3 | 20002112011021101 |
4 | 11031202123321 |
5 | 134340410001 |
6 | 12402011401 |
7 | 2111120353 |
oct | 515423371 |
9 | 202464241 |
10 | 87435001 |
11 | 4539a235 |
12 | 25346b61 |
13 | 151645b4 |
14 | b8800d3 |
15 | 7a21a01 |
hex | 53626f9 |
87435001 has 8 divisors (see below), whose sum is σ = 91259784. Its totient is φ = 83690880.
The previous prime is 87434999. The next prime is 87435013. The reversal of 87435001 is 10053478.
It can be written as a sum of positive squares in 4 ways, for example, as 10890000 + 76545001 = 3300^2 + 8749^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87435001 - 21 = 87434999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87435071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17946 + ... + 22291.
It is an arithmetic number, because the mean of its divisors is an integer number (11407473).
Almost surely, 287435001 is an apocalyptic number.
It is an amenable number.
87435001 is a deficient number, since it is larger than the sum of its proper divisors (3824783).
87435001 is a wasteful number, since it uses less digits than its factorization.
87435001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40331.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 87435001 is about 9350.6684787773. The cubic root of 87435001 is about 443.8420443595.
Adding to 87435001 its reverse (10053478), we get a palindrome (97488479).
The spelling of 87435001 in words is "eighty-seven million, four hundred thirty-five thousand, one".
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