Base | Representation |
---|---|
bin | 10110101100000… |
… | …010011110110010 |
3 | 222112020200101011 |
4 | 112230002132302 |
5 | 1234421041000 |
6 | 101434301134 |
7 | 12301262041 |
oct | 2654023662 |
9 | 875220334 |
10 | 380643250 |
11 | 1859549a9 |
12 | a75877aa |
13 | 60b24bc0 |
14 | 387a6558 |
15 | 2363d2ba |
hex | 16b027b2 |
380643250 has 64 divisors (see below), whose sum is σ = 772952544. Its totient is φ = 139526400.
The previous prime is 380643247. The next prime is 380643259. The reversal of 380643250 is 52346083.
380643250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 16 ways, for example, as 13039321 + 367603929 = 3611^2 + 19173^2 .
It is not an unprimeable number, because it can be changed into a prime (380643259) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561912 + ... + 562588.
Almost surely, 2380643250 is an apocalyptic number.
380643250 is an abundant number, since it is smaller than the sum of its proper divisors (392309294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380643250 is a wasteful number, since it uses less digits than its factorization.
380643250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 880 (or 870 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 380643250 is about 19510.0807276649. The cubic root of 380643250 is about 724.7241122301.
It can be divided in two parts, 38064 and 3250, that added together give a palindrome (41314).
The spelling of 380643250 in words is "three hundred eighty million, six hundred forty-three thousand, two hundred fifty".
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