Base | Representation |
---|---|
bin | 110000011101011… |
… | …010010010111000 |
3 | 2002122211111121220 |
4 | 300131122102320 |
5 | 3131113004443 |
6 | 212401432040 |
7 | 26101344522 |
oct | 6035322270 |
9 | 2078744556 |
10 | 813016248 |
11 | 387a21160 |
12 | 1a833b620 |
13 | cc58c605 |
14 | 79d96a12 |
15 | 4b598a83 |
hex | 3075a4b8 |
813016248 has 64 divisors (see below), whose sum is σ = 2224627200. Its totient is φ = 245556480.
The previous prime is 813016241. The next prime is 813016249. The reversal of 813016248 is 842610318.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (813016241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77713 + ... + 87551.
It is an arithmetic number, because the mean of its divisors is an integer number (34759800).
Almost surely, 2813016248 is an apocalyptic number.
813016248 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 813016248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112313600).
813016248 is an abundant number, since it is smaller than the sum of its proper divisors (1411610952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
813016248 is a wasteful number, since it uses less digits than its factorization.
813016248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10172 (or 10168 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 813016248 is about 28513.4397784624. The cubic root of 813016248 is about 933.3253782769.
The spelling of 813016248 in words is "eight hundred thirteen million, sixteen thousand, two hundred forty-eight".
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