Base | Representation |
---|---|
bin | 10111100100101… |
… | …011011110110000 |
3 | 1000120012001000000 |
4 | 113210223132300 |
5 | 1302221204443 |
6 | 103124430000 |
7 | 12541422465 |
oct | 2744533660 |
9 | 1016161000 |
10 | 395491248 |
11 | 193276479 |
12 | b0548300 |
13 | 63c232b9 |
14 | 3a74d66c |
15 | 24ac28d3 |
hex | 1792b7b0 |
395491248 has 140 divisors (see below), whose sum is σ = 1178315208. Its totient is φ = 128459520.
The previous prime is 395491199. The next prime is 395491259. The reversal of 395491248 is 842194593.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 477811 + ... + 478637.
Almost surely, 2395491248 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 395491248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589157604).
395491248 is an abundant number, since it is smaller than the sum of its proper divisors (782823960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395491248 is an equidigital number, since it uses as much as digits as its factorization.
395491248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 894 (or 873 counting only the distinct ones).
The product of its digits is 311040, while the sum is 45.
The square root of 395491248 is about 19886.9617589012. The cubic root of 395491248 is about 734.0274350186.
The spelling of 395491248 in words is "three hundred ninety-five million, four hundred ninety-one thousand, two hundred forty-eight".
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