Base | Representation |
---|---|
bin | 1010010111111… |
… | …01001100110000 |
3 | 20001202002110102 |
4 | 11023331030300 |
5 | 134234122321 |
6 | 12345051532 |
7 | 2104442414 |
oct | 513751460 |
9 | 201662412 |
10 | 87020336 |
11 | 45136737 |
12 | 25186ba8 |
13 | 1504a930 |
14 | b7b2d44 |
15 | 798dc0b |
hex | 52fd330 |
87020336 has 40 divisors (see below), whose sum is σ = 182175840. Its totient is φ = 40029696.
The previous prime is 87020333. The next prime is 87020357. The reversal of 87020336 is 63302078.
It is a junction number, because it is equal to n+sod(n) for n = 87020299 and 87020308.
It is not an unprimeable number, because it can be changed into a prime (87020333) 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, 90836 + ... + 91788.
It is an arithmetic number, because the mean of its divisors is an integer number (4554396).
Almost surely, 287020336 is an apocalyptic number.
It is an amenable number.
87020336 is an abundant number, since it is smaller than the sum of its proper divisors (95155504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87020336 is a wasteful number, since it uses less digits than its factorization.
87020336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1413 (or 1407 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 87020336 is about 9328.4691134183. The cubic root of 87020336 is about 443.1392843013.
The spelling of 87020336 in words is "eighty-seven million, twenty thousand, three hundred thirty-six".
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