Base | Representation |
---|---|
bin | 1010011001001… |
… | …11100111101110 |
3 | 20002001220210220 |
4 | 11030213213232 |
5 | 134310202334 |
6 | 12352512210 |
7 | 2106065121 |
oct | 514474756 |
9 | 202056726 |
10 | 87194094 |
11 | 45245239 |
12 | 2524b666 |
13 | 150aba50 |
14 | b81a3b8 |
15 | 79c5449 |
hex | 53279ee |
87194094 has 32 divisors (see below), whose sum is σ = 190995840. Its totient is φ = 26372832.
The previous prime is 87194087. The next prime is 87194099. The reversal of 87194094 is 49049178.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87194099) 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, 4872 + ... + 14075.
It is an arithmetic number, because the mean of its divisors is an integer number (5968620).
Almost surely, 287194094 is an apocalyptic number.
87194094 is an abundant number, since it is smaller than the sum of its proper divisors (103801746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87194094 is a wasteful number, since it uses less digits than its factorization.
87194094 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19024.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 87194094 is about 9337.7777870326. Note that the first 4 decimals coincide. The cubic root of 87194094 is about 443.4340345738.
The spelling of 87194094 in words is "eighty-seven million, one hundred ninety-four thousand, ninety-four".
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