Base | Representation |
---|---|
bin | 10110101010010… |
… | …101111011111010 |
3 | 222111102002111111 |
4 | 112222111323322 |
5 | 1234312324100 |
6 | 101420550534 |
7 | 12264430606 |
oct | 2652257372 |
9 | 874362444 |
10 | 380198650 |
11 | 185680967 |
12 | a73b244a |
13 | 609ca720 |
14 | 386cc506 |
15 | 235a16ba |
hex | 16a95efa |
380198650 has 48 divisors (see below), whose sum is σ = 764185464. Its totient is φ = 139898880.
The previous prime is 380198603. The next prime is 380198657. The reversal of 380198650 is 56891083.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 2712609 + 377486041 = 1647^2 + 19429^2 .
It is not an unprimeable number, because it can be changed into a prime (380198657) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228622 + ... + 230278.
Almost surely, 2380198650 is an apocalyptic number.
380198650 is an abundant number, since it is smaller than the sum of its proper divisors (383986814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380198650 is a wasteful number, since it uses less digits than its factorization.
380198650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2035 (or 2030 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 380198650 is about 19498.6832888788. The cubic root of 380198650 is about 724.4418375349.
The spelling of 380198650 in words is "three hundred eighty million, one hundred ninety-eight thousand, six hundred fifty".
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