Base | Representation |
---|---|
bin | 1010011011000… |
… | …10001001001001 |
3 | 20002112002121221 |
4 | 11031202021021 |
5 | 134340340201 |
6 | 12402002041 |
7 | 2111114020 |
oct | 515421111 |
9 | 202462557 |
10 | 87433801 |
11 | 45399344 |
12 | 25346321 |
13 | 15163ba0 |
14 | b87d8b7 |
15 | 7a214a1 |
hex | 5362249 |
87433801 has 32 divisors (see below), whose sum is σ = 115270400. Its totient is φ = 64385280.
The previous prime is 87433799. The next prime is 87433813. The reversal of 87433801 is 10833478.
It is a cyclic number.
It is not a de Polignac number, because 87433801 - 21 = 87433799 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87433891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105055 + ... + 105883.
It is an arithmetic number, because the mean of its divisors is an integer number (3602200).
Almost surely, 287433801 is an apocalyptic number.
It is an amenable number.
87433801 is a deficient number, since it is larger than the sum of its proper divisors (27836599).
87433801 is a wasteful number, since it uses less digits than its factorization.
87433801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 87433801 is about 9350.6043120218. The cubic root of 87433801 is about 443.8400138497.
It can be divided in two parts, 8743 and 3801, that added together give a square (12544 = 1122).
The spelling of 87433801 in words is "eighty-seven million, four hundred thirty-three thousand, eight hundred one".
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