Base | Representation |
---|---|
bin | 101111110101001… |
… | …110010001101000 |
3 | 2001221000021100000 |
4 | 233311032101220 |
5 | 3120413400011 |
6 | 211343543000 |
7 | 25612656333 |
oct | 5765162150 |
9 | 2057007300 |
10 | 802481256 |
11 | 381a86055 |
12 | 1a48baa60 |
13 | ca3413a5 |
14 | 7881361a |
15 | 4a6b7356 |
hex | 2fd4e468 |
802481256 has 96 divisors (see below), whose sum is σ = 2261095200. Its totient is φ = 266639040.
The previous prime is 802481249. The next prime is 802481257. The reversal of 802481256 is 652184208.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 802481256.
It is not an unprimeable number, because it can be changed into a prime (802481257) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989091 + ... + 989901.
It is an arithmetic number, because the mean of its divisors is an integer number (23553075).
Almost surely, 2802481256 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 802481256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130547600).
802481256 is an abundant number, since it is smaller than the sum of its proper divisors (1458613944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
802481256 is a wasteful number, since it uses less digits than its factorization.
802481256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1341 (or 1325 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 802481256 is about 28328.1001127855. The cubic root of 802481256 is about 929.2765236993.
The spelling of 802481256 in words is "eight hundred two million, four hundred eighty-one thousand, two hundred fifty-six".
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