Base | Representation |
---|---|
bin | 1010011100010… |
… | …00010010111000 |
3 | 20002211000222202 |
4 | 11032020102320 |
5 | 134410340242 |
6 | 12405205332 |
7 | 2112334433 |
oct | 516102270 |
9 | 202730882 |
10 | 87590072 |
11 | 45495799 |
12 | 25400848 |
13 | 151ba05b |
14 | b8c081a |
15 | 7a52932 |
hex | 53884b8 |
87590072 has 32 divisors (see below), whose sum is σ = 173746080. Its totient is φ = 41310720.
The previous prime is 87590047. The next prime is 87590077. The reversal of 87590072 is 27009578.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87590077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10172 + ... + 16692.
It is an arithmetic number, because the mean of its divisors is an integer number (5429565).
Almost surely, 287590072 is an apocalyptic number.
It is an amenable number.
87590072 is a deficient number, since it is larger than the sum of its proper divisors (86156008).
87590072 is a wasteful number, since it uses less digits than its factorization.
87590072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6623 (or 6619 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 38.
The square root of 87590072 is about 9358.9567794707. The cubic root of 87590072 is about 444.1042825149.
The spelling of 87590072 in words is "eighty-seven million, five hundred ninety thousand, seventy-two".
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