Base | Representation |
---|---|
bin | 1010011110100… |
… | …11001001010000 |
3 | 20010101121112201 |
4 | 11033103021100 |
5 | 140000143111 |
6 | 12415532544 |
7 | 2115052321 |
oct | 517231120 |
9 | 203347481 |
10 | 87896656 |
11 | 45685071 |
12 | 2552a154 |
13 | 15296773 |
14 | b960448 |
15 | 7ab36c1 |
hex | 53d3250 |
87896656 has 20 divisors (see below), whose sum is σ = 175794304. Its totient is φ = 42530400.
The previous prime is 87896621. The next prime is 87896657. The reversal of 87896656 is 65669878.
It is a happy number.
87896656 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 87896597 and 87896606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87896657) 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, 88110 + ... + 89101.
Almost surely, 287896656 is an apocalyptic number.
It is an amenable number.
87896656 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87896656 is a wasteful number, since it uses less digits than its factorization.
87896656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177250 (or 177244 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 55.
The square root of 87896656 is about 9375.3216478156. The cubic root of 87896656 is about 444.6218324872.
The spelling of 87896656 in words is "eighty-seven million, eight hundred ninety-six thousand, six hundred fifty-six".
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