Base | Representation |
---|---|
bin | 1010001100010… |
… | …10101011011000 |
3 | 12221212222121221 |
4 | 11012022223120 |
5 | 133342041210 |
6 | 12252341424 |
7 | 2055521644 |
oct | 506125330 |
9 | 187788557 |
10 | 85502680 |
11 | 4429a47a |
12 | 24774874 |
13 | 14938c03 |
14 | b4d9c24 |
15 | 778e1da |
hex | 518aad8 |
85502680 has 32 divisors (see below), whose sum is σ = 193091040. Its totient is φ = 34074880.
The previous prime is 85502611. The next prime is 85502719. The reversal of 85502680 is 8620558.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7437 + ... + 15043.
It is an arithmetic number, because the mean of its divisors is an integer number (6034095).
Almost surely, 285502680 is an apocalyptic number.
It is an amenable number.
85502680 is an abundant number, since it is smaller than the sum of its proper divisors (107588360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85502680 is a wasteful number, since it uses less digits than its factorization.
85502680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7899 (or 7895 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 85502680 is about 9246.7659211207. The cubic root of 85502680 is about 440.5480086461.
The spelling of 85502680 in words is "eighty-five million, five hundred two thousand, six hundred eighty".
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