Base | Representation |
---|---|
bin | 1010001010100… |
… | …00010100001110 |
3 | 12221102211201020 |
4 | 11011100110032 |
5 | 133311414010 |
6 | 12243255010 |
7 | 2053505004 |
oct | 505202416 |
9 | 187384636 |
10 | 85263630 |
11 | 44146911 |
12 | 2467a466 |
13 | 1488416a |
14 | b476a74 |
15 | 7743470 |
hex | 515050e |
85263630 has 32 divisors (see below), whose sum is σ = 205200000. Its totient is φ = 22673952.
The previous prime is 85263617. The next prime is 85263643. The reversal of 85263630 is 3636258.
It is an interprime number because it is at equal distance from previous prime (85263617) and next prime (85263643).
It is a junction number, because it is equal to n+sod(n) for n = 85263591 and 85263600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7621 + ... + 15119.
It is an arithmetic number, because the mean of its divisors is an integer number (6412500).
Almost surely, 285263630 is an apocalyptic number.
85263630 is an abundant number, since it is smaller than the sum of its proper divisors (119936370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85263630 is a wasteful number, since it uses less digits than its factorization.
85263630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7888.
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 85263630 is about 9233.8307326916. The cubic root of 85263630 is about 440.1370612951.
Adding to 85263630 its reverse (3636258), we get a palindrome (88899888).
The spelling of 85263630 in words is "eighty-five million, two hundred sixty-three thousand, six hundred thirty".
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