Base | Representation |
---|---|
bin | 1010011101110… |
… | …00001000110000 |
3 | 20010011222210112 |
4 | 11032320020300 |
5 | 134433123112 |
6 | 12413320452 |
7 | 2114111645 |
oct | 516701060 |
9 | 203158715 |
10 | 87786032 |
11 | 45609a44 |
12 | 25496128 |
13 | 152582c9 |
14 | b931dcc |
15 | 7a90a22 |
hex | 53b8230 |
87786032 has 40 divisors (see below), whose sum is σ = 178783200. Its totient is φ = 41676800.
The previous prime is 87786001. The next prime is 87786037. The reversal of 87786032 is 23068778.
It is not an unprimeable number, because it can be changed into a prime (87786037) 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, 54032 + ... + 55632.
It is an arithmetic number, because the mean of its divisors is an integer number (4469580).
Almost surely, 287786032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87786032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89391600).
87786032 is an abundant number, since it is smaller than the sum of its proper divisors (90997168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87786032 is a wasteful number, since it uses less digits than its factorization.
87786032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1781 (or 1775 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 41.
The square root of 87786032 is about 9369.4200460861. The cubic root of 87786032 is about 444.4352251051.
The spelling of 87786032 in words is "eighty-seven million, seven hundred eighty-six thousand, thirty-two".
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