Base | Representation |
---|---|
bin | 1010011011010… |
… | …01011101111110 |
3 | 20002120121210020 |
4 | 11031221131332 |
5 | 134342320211 |
6 | 12402353010 |
7 | 2111300343 |
oct | 515513576 |
9 | 202517706 |
10 | 87463806 |
11 | 45409941 |
12 | 2535b766 |
13 | 15174741 |
14 | b88a7ca |
15 | 7a2a306 |
hex | 536977e |
87463806 has 32 divisors (see below), whose sum is σ = 179815680. Its totient is φ = 28346304.
The previous prime is 87463801. The next prime is 87463811. The reversal of 87463806 is 60836478.
It is an interprime number because it is at equal distance from previous prime (87463801) and next prime (87463811).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87463801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67210 + ... + 68498.
It is an arithmetic number, because the mean of its divisors is an integer number (5619240).
Almost surely, 287463806 is an apocalyptic number.
87463806 is a gapful number since it is divisible by the number (86) formed by its first and last digit.
87463806 is an abundant number, since it is smaller than the sum of its proper divisors (92351874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87463806 is a wasteful number, since it uses less digits than its factorization.
87463806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1600.
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 87463806 is about 9352.2086161505. The cubic root of 87463806 is about 443.8907794817.
The spelling of 87463806 in words is "eighty-seven million, four hundred sixty-three thousand, eight hundred six".
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