Base | Representation |
---|---|
bin | 1010011010101… |
… | …01000100101010 |
3 | 20002102101012011 |
4 | 11031111010222 |
5 | 134332132031 |
6 | 12400510134 |
7 | 2110501651 |
oct | 515250452 |
9 | 202371164 |
10 | 87380266 |
11 | 453620a6 |
12 | 2531b34a |
13 | 151456cc |
14 | b868198 |
15 | 7a106b1 |
hex | 535512a |
87380266 has 32 divisors (see below), whose sum is σ = 141740928. Its totient is φ = 40296960.
The previous prime is 87380263. The next prime is 87380291. The reversal of 87380266 is 66208378.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (87380263) 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, 201586 + ... + 202018.
It is an arithmetic number, because the mean of its divisors is an integer number (4429404).
Almost surely, 287380266 is an apocalyptic number.
87380266 is a deficient number, since it is larger than the sum of its proper divisors (54360662).
87380266 is a wasteful number, since it uses less digits than its factorization.
87380266 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 606.
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 87380266 is about 9347.7412244884. The cubic root of 87380266 is about 443.7494088202.
The spelling of 87380266 in words is "eighty-seven million, three hundred eighty thousand, two hundred sixty-six".
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