Base | Representation |
---|---|
bin | 1010010111111… |
… | …10001000011001 |
3 | 20001202021200210 |
4 | 11023332020121 |
5 | 134234233103 |
6 | 12345121333 |
7 | 2104456506 |
oct | 513761031 |
9 | 201667623 |
10 | 87024153 |
11 | 45139597 |
12 | 25189249 |
13 | 1504c5a8 |
14 | b7b44ad |
15 | 798ee03 |
hex | 52fe219 |
87024153 has 8 divisors (see below), whose sum is σ = 116077600. Its totient is φ = 57993408.
The previous prime is 87024151. The next prime is 87024163. The reversal of 87024153 is 35142078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87024153 - 21 = 87024151 is a prime.
It is a super-3 number, since 3×870241533 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 87024153.
It is not an unprimeable number, because it can be changed into a prime (87024151) 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, 7938 + ... + 15396.
It is an arithmetic number, because the mean of its divisors is an integer number (14509700).
Almost surely, 287024153 is an apocalyptic number.
It is an amenable number.
87024153 is a deficient number, since it is larger than the sum of its proper divisors (29053447).
87024153 is a wasteful number, since it uses less digits than its factorization.
87024153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11351.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 87024153 is about 9328.6736999426. The cubic root of 87024153 is about 443.1457633919.
The spelling of 87024153 in words is "eighty-seven million, twenty-four thousand, one hundred fifty-three".
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