Base | Representation |
---|---|
bin | 10110101011011… |
… | …101001001000100 |
3 | 222111221220120122 |
4 | 112223131021010 |
5 | 1234401142213 |
6 | 101431121112 |
7 | 12300054122 |
oct | 2653351104 |
9 | 874856518 |
10 | 380490308 |
11 | 185860000 |
12 | a7513198 |
13 | 60aa03c3 |
14 | 38766912 |
15 | 2360cd08 |
hex | 16add244 |
380490308 has 60 divisors (see below), whose sum is σ = 750815100. Its totient is φ = 168664320.
The previous prime is 380490301. The next prime is 380490337. The reversal of 380490308 is 803094083.
It can be written as a sum of positive squares in 2 ways, for example, as 140612164 + 239878144 = 11858^2 + 15488^2 .
It is not an unprimeable number, because it can be changed into a prime (380490301) 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, 4275128 + ... + 4275216.
It is an arithmetic number, because the mean of its divisors is an integer number (12513585).
Almost surely, 2380490308 is an apocalyptic number.
It is an amenable number.
380490308 is a deficient number, since it is larger than the sum of its proper divisors (370324792).
380490308 is an equidigital number, since it uses as much as digits as its factorization.
380490308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210 (or 175 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 380490308 is about 19506.1607703823. The cubic root of 380490308 is about 724.6270348016.
The spelling of 380490308 in words is "three hundred eighty million, four hundred ninety thousand, three hundred eight".
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