Base | Representation |
---|---|
bin | 1010011010001… |
… | …10101100001111 |
3 | 20002022101101102 |
4 | 11031012230033 |
5 | 134323240414 |
6 | 12355333315 |
7 | 2110135136 |
oct | 515065417 |
9 | 202271342 |
10 | 87321359 |
11 | 45321914 |
12 | 252b123b |
13 | 15124958 |
14 | b85091d |
15 | 79ecede |
hex | 5346b0f |
87321359 has 16 divisors (see below), whose sum is σ = 94003680. Its totient is φ = 80870400.
The previous prime is 87321343. The next prime is 87321373. The reversal of 87321359 is 95312378.
It is a cyclic number.
It is not a de Polignac number, because 87321359 - 24 = 87321343 is a prime.
It is a Smith number, since the sum of its digits (38) 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 congruent number.
It is not an unprimeable number, because it can be changed into a prime (87321379) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217559 + ... + 217959.
It is an arithmetic number, because the mean of its divisors is an integer number (5875230).
Almost surely, 287321359 is an apocalyptic number.
87321359 is a deficient number, since it is larger than the sum of its proper divisors (6682321).
87321359 is a wasteful number, since it uses less digits than its factorization.
87321359 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650.
The product of its digits is 45360, while the sum is 38.
The square root of 87321359 is about 9344.5898251341. The cubic root of 87321359 is about 443.6496692037.
The spelling of 87321359 in words is "eighty-seven million, three hundred twenty-one thousand, three hundred fifty-nine".
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