Base | Representation |
---|---|
bin | 1010010111110… |
… | …00101111011111 |
3 | 20001201011102020 |
4 | 11023320233133 |
5 | 134233031304 |
6 | 12344431223 |
7 | 2104335243 |
oct | 513705737 |
9 | 201634366 |
10 | 87002079 |
11 | 45123a4a |
12 | 25178513 |
13 | 15042528 |
14 | b7aa423 |
15 | 79885d9 |
hex | 52f8bdf |
87002079 has 8 divisors (see below), whose sum is σ = 116211072. Its totient is φ = 57897240.
The previous prime is 87002033. The next prime is 87002087. The reversal of 87002079 is 97020078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87002079 - 27 = 87001951 is a prime.
87002079 is a modest number, since divided by 2079 gives 87 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87002009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24067 + ... + 27444.
It is an arithmetic number, because the mean of its divisors is an integer number (14526384).
Almost surely, 287002079 is an apocalyptic number.
87002079 is a deficient number, since it is larger than the sum of its proper divisors (29208993).
87002079 is a wasteful number, since it uses less digits than its factorization.
87002079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52077.
The product of its (nonzero) digits is 7056, while the sum is 33.
The square root of 87002079 is about 9327.4904985210. The cubic root of 87002079 is about 443.1082916999.
The spelling of 87002079 in words is "eighty-seven million, two thousand, seventy-nine".
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