Base | Representation |
---|---|
bin | 1010011000100… |
… | …01101110011011 |
3 | 20001220100210022 |
4 | 11030101232123 |
5 | 134244320121 |
6 | 12350541055 |
7 | 2105242502 |
oct | 514215633 |
9 | 201810708 |
10 | 87104411 |
11 | 45193919 |
12 | 2520778b |
13 | 15079c94 |
14 | b7d5839 |
15 | 79a8aab |
hex | 5311b9b |
87104411 has 4 divisors (see below), whose sum is σ = 87137952. Its totient is φ = 87070872.
The previous prime is 87104393. The next prime is 87104419. The reversal of 87104411 is 11440178.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87104411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87104419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12515 + ... + 18188.
It is an arithmetic number, because the mean of its divisors is an integer number (21784488).
Almost surely, 287104411 is an apocalyptic number.
87104411 is a deficient number, since it is larger than the sum of its proper divisors (33541).
87104411 is a wasteful number, since it uses less digits than its factorization.
87104411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33540.
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 87104411 is about 9332.9743919074. The cubic root of 87104411 is about 443.2819518847.
Adding to 87104411 its reverse (11440178), we get a palindrome (98544589).
The spelling of 87104411 in words is "eighty-seven million, one hundred four thousand, four hundred eleven".
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