Base | Representation |
---|---|
bin | 10010010111101… |
… | …110001100000000 |
3 | 210110221121102100 |
4 | 102113232030000 |
5 | 1112400132014 |
6 | 50325550400 |
7 | 10431504501 |
oct | 2227561400 |
9 | 713847370 |
10 | 308208384 |
11 | 148a80580 |
12 | 87275400 |
13 | 4bb13033 |
14 | 2cd0cba8 |
15 | 1c0d1009 |
hex | 125ee300 |
308208384 has 108 divisors (see below), whose sum is σ = 969505992. Its totient is φ = 93388800.
The previous prime is 308208377. The next prime is 308208401. The reversal of 308208384 is 483802803.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19264 + ... + 31424.
Almost surely, 2308208384 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 308208384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484752996).
308208384 is an abundant number, since it is smaller than the sum of its proper divisors (661297608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308208384 is a wasteful number, since it uses less digits than its factorization.
308208384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12194 (or 12177 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The square root of 308208384 is about 17555.8646611325. The cubic root of 308208384 is about 675.4836106311.
It can be divided in two parts, 30820 and 8384, that added together give a square (39204 = 1982).
The spelling of 308208384 in words is "three hundred eight million, two hundred eight thousand, three hundred eighty-four".
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