Base | Representation |
---|---|
bin | 1010010111111… |
… | …00001100111100 |
3 | 20001201212212011 |
4 | 11023330030330 |
5 | 134234010002 |
6 | 12345021004 |
7 | 2104424461 |
oct | 513741474 |
9 | 201655764 |
10 | 87016252 |
11 | 45133664 |
12 | 25184764 |
13 | 15048b0b |
14 | b7b1668 |
15 | 798c8d7 |
hex | 52fc33c |
87016252 has 12 divisors (see below), whose sum is σ = 153702360. Its totient is φ = 43101296.
The previous prime is 87016231. The next prime is 87016253. The reversal of 87016252 is 25261078.
It is a super-2 number, since 2×870162522 = 15143656224255008, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87016253) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101227 + ... + 102082.
It is an arithmetic number, because the mean of its divisors is an integer number (12808530).
Almost surely, 287016252 is an apocalyptic number.
It is an amenable number.
87016252 is a deficient number, since it is larger than the sum of its proper divisors (66686108).
87016252 is a wasteful number, since it uses less digits than its factorization.
87016252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203420 (or 203418 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 87016252 is about 9328.2502110524. The cubic root of 87016252 is about 443.1323517871.
The spelling of 87016252 in words is "eighty-seven million, sixteen thousand, two hundred fifty-two".
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