Base | Representation |
---|---|
bin | 1010011010110… |
… | …01101110111111 |
3 | 20002110100101022 |
4 | 11031121232333 |
5 | 134333234414 |
6 | 12401134355 |
7 | 2110611425 |
oct | 515315677 |
9 | 202410338 |
10 | 87399359 |
11 | 45375483 |
12 | 2532a3bb |
13 | 151512c8 |
14 | b871115 |
15 | 7a1618e |
hex | 5359bbf |
87399359 has 8 divisors (see below), whose sum is σ = 91560000. Its totient is φ = 83315232.
The previous prime is 87399307. The next prime is 87399383. The reversal of 87399359 is 95399378.
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 87399359 - 212 = 87395263 is a prime.
It is a super-2 number, since 2×873993592 = 15277295907221762, which contains 22 as substring.
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 87399359.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87309359) 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, 16784 + ... + 21365.
It is an arithmetic number, because the mean of its divisors is an integer number (11445000).
Almost surely, 287399359 is an apocalyptic number.
87399359 is a deficient number, since it is larger than the sum of its proper divisors (4160641).
87399359 is a wasteful number, since it uses less digits than its factorization.
87399359 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38257.
The product of its digits is 1837080, while the sum is 53.
The square root of 87399359 is about 9348.7624314665. The cubic root of 87399359 is about 443.7817269123.
The spelling of 87399359 in words is "eighty-seven million, three hundred ninety-nine thousand, three hundred fifty-nine".
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