Base | Representation |
---|---|
bin | 1010010111111… |
… | …10010000100111 |
3 | 20001202022102021 |
4 | 11023332100213 |
5 | 134234242204 |
6 | 12345124011 |
7 | 2104461160 |
oct | 513762047 |
9 | 201668367 |
10 | 87024679 |
11 | 45139a25 |
12 | 25189607 |
13 | 1504c8c1 |
14 | b7b4767 |
15 | 7990154 |
hex | 52fe427 |
87024679 has 8 divisors (see below), whose sum is σ = 102886560. Its totient is φ = 72020256.
The previous prime is 87024677. The next prime is 87024689. The reversal of 87024679 is 97642078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87024679 - 21 = 87024677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87024677) 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, 214144 + ... + 214549.
It is an arithmetic number, because the mean of its divisors is an integer number (12860820).
Almost surely, 287024679 is an apocalyptic number.
87024679 is a deficient number, since it is larger than the sum of its proper divisors (15861881).
87024679 is a wasteful number, since it uses less digits than its factorization.
87024679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428729.
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 87024679 is about 9328.7018925465. The cubic root of 87024679 is about 443.1466562253.
The spelling of 87024679 in words is "eighty-seven million, twenty-four thousand, six hundred seventy-nine".
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