Base | Representation |
---|---|
bin | 1010011011000… |
… | …01110001101101 |
3 | 20002112000120101 |
4 | 11031201301231 |
5 | 134340313201 |
6 | 12401551101 |
7 | 2111106445 |
oct | 515416155 |
9 | 202460511 |
10 | 87432301 |
11 | 45398200 |
12 | 25345491 |
13 | 151632b8 |
14 | b87d125 |
15 | 7a20d01 |
hex | 5361c6d |
87432301 has 6 divisors (see below), whose sum is σ = 96103406. Its totient is φ = 79483800.
The previous prime is 87432299. The next prime is 87432313. The reversal of 87432301 is 10323478.
It can be written as a sum of positive squares in only one way, i.e., 87422500 + 9801 = 9350^2 + 99^2 .
It is not a de Polignac number, because 87432301 - 21 = 87432299 is a prime.
It is a super-3 number, since 3×874323013 (a number of 25 digits) contains 333 as substring.
It is an alternating number because its digits alternate between even and odd.
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 87432301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87432341) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361170 + ... + 361411.
Almost surely, 287432301 is an apocalyptic number.
It is an amenable number.
87432301 is a deficient number, since it is larger than the sum of its proper divisors (8671105).
87432301 is a wasteful number, since it uses less digits than its factorization.
87432301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722603 (or 722592 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 87432301 is about 9350.5241029581. The cubic root of 87432301 is about 443.8374756862.
Adding to 87432301 its reverse (10323478), we get a palindrome (97755779).
The spelling of 87432301 in words is "eighty-seven million, four hundred thirty-two thousand, three hundred one".
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