Base | Representation |
---|---|
bin | 110000001001011… |
… | …001000011100000 |
3 | 2002021221212210000 |
4 | 300021121003200 |
5 | 3123242041123 |
6 | 212053140000 |
7 | 26005626405 |
oct | 6011310340 |
9 | 2067855700 |
10 | 807768288 |
11 | 384a672a8 |
12 | 1a662a600 |
13 | cb472a02 |
14 | 793cc2ac |
15 | 4adadb43 |
hex | 302590e0 |
807768288 has 120 divisors (see below), whose sum is σ = 2390267880. Its totient is φ = 267598080.
The previous prime is 807768251. The next prime is 807768289. The reversal of 807768288 is 882867708.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (807768289) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 463098 + ... + 464838.
It is an arithmetic number, because the mean of its divisors is an integer number (19918899).
Almost surely, 2807768288 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 807768288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195133940).
807768288 is an abundant number, since it is smaller than the sum of its proper divisors (1582499592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
807768288 is a wasteful number, since it uses less digits than its factorization.
807768288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1942 (or 1925 counting only the distinct ones).
The product of its (nonzero) digits is 2408448, while the sum is 54.
The square root of 807768288 is about 28421.2647149982. The cubic root of 807768288 is about 931.3128596339.
The spelling of 807768288 in words is "eight hundred seven million, seven hundred sixty-eight thousand, two hundred eighty-eight".
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