Base | Representation |
---|---|
bin | 1010011000010… |
… | …10000100010011 |
3 | 20001211202202112 |
4 | 11030022010103 |
5 | 134242314133 |
6 | 12350135535 |
7 | 2105052161 |
oct | 514120423 |
9 | 201752675 |
10 | 87073043 |
11 | 451722a2 |
12 | 251b15ab |
13 | 15068915 |
14 | b7c8231 |
15 | 799e648 |
hex | 530a113 |
87073043 has 2 divisors, whose sum is σ = 87073044. Its totient is φ = 87073042.
The previous prime is 87073037. The next prime is 87073073. The reversal of 87073043 is 34037078.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87073043 - 24 = 87073027 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (87073003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43536521 + 43536522.
It is an arithmetic number, because the mean of its divisors is an integer number (43536522).
Almost surely, 287073043 is an apocalyptic number.
87073043 is a deficient number, since it is larger than the sum of its proper divisors (1).
87073043 is an equidigital number, since it uses as much as digits as its factorization.
87073043 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14112, while the sum is 32.
The square root of 87073043 is about 9331.2937473857. The cubic root of 87073043 is about 443.2287339991.
The spelling of 87073043 in words is "eighty-seven million, seventy-three thousand, forty-three".
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