Base | Representation |
---|---|
bin | 1010011011011… |
… | …00001101010100 |
3 | 20002121012011212 |
4 | 11031230031110 |
5 | 134343200103 |
6 | 12402520552 |
7 | 2111345144 |
oct | 515541524 |
9 | 202535155 |
10 | 87475028 |
11 | 45417313 |
12 | 25366158 |
13 | 15179894 |
14 | b890924 |
15 | 7a2d7d8 |
hex | 536c354 |
87475028 has 24 divisors (see below), whose sum is σ = 155923488. Its totient is φ = 42932576.
The previous prime is 87474983. The next prime is 87475033. The reversal of 87475028 is 82057478.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56675 + ... + 58197.
It is an arithmetic number, because the mean of its divisors is an integer number (6496812).
Almost surely, 287475028 is an apocalyptic number.
It is an amenable number.
87475028 is a deficient number, since it is larger than the sum of its proper divisors (68448460).
87475028 is a wasteful number, since it uses less digits than its factorization.
87475028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1783 (or 1781 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 41.
The square root of 87475028 is about 9352.8085621379. The cubic root of 87475028 is about 443.9097630648.
The spelling of 87475028 in words is "eighty-seven million, four hundred seventy-five thousand, twenty-eight".
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