Base | Representation |
---|---|
bin | 110000001101100… |
… | …011111001000000 |
3 | 2002101000102001000 |
4 | 300031203321000 |
5 | 3124032024443 |
6 | 212132412000 |
7 | 26021131026 |
oct | 6015437100 |
9 | 2071012030 |
10 | 808861248 |
11 | 385643478 |
12 | 1a6a77000 |
13 | cb766330 |
14 | 795d4716 |
15 | 4b0278d3 |
hex | 30363e40 |
808861248 has 112 divisors (see below), whose sum is σ = 2560888960. Its totient is φ = 248873472.
The previous prime is 808861237. The next prime is 808861297. The reversal of 808861248 is 842168808.
It is a happy number.
It is a super-2 number, since 2×8088612482 = 1308513037032235008, which contains 22 as substring.
It is a nialpdrome in base 13.
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, 4461 + ... + 40467.
It is an arithmetic number, because the mean of its divisors is an integer number (22865080).
Almost surely, 2808861248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 808861248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280444480).
808861248 is an abundant number, since it is smaller than the sum of its proper divisors (1752027712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808861248 is a wasteful number, since it uses less digits than its factorization.
808861248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36041 (or 36025 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 45.
The square root of 808861248 is about 28440.4860717956. The cubic root of 808861248 is about 931.7327114547.
The spelling of 808861248 in words is "eight hundred eight million, eight hundred sixty-one thousand, two hundred forty-eight".
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