Base | Representation |
---|---|
bin | 10110101010100… |
… | …010011110010001 |
3 | 222111111200221101 |
4 | 112222202132101 |
5 | 1234321000001 |
6 | 101422024401 |
7 | 12265033405 |
oct | 2652423621 |
9 | 874450841 |
10 | 380250001 |
11 | 1857064aa |
12 | a7418101 |
13 | 60a17c01 |
14 | 38703105 |
15 | 235b1a01 |
hex | 16aa2791 |
380250001 has 8 divisors (see below), whose sum is σ = 394427880. Its totient is φ = 366143232.
The previous prime is 380249971. The next prime is 380250019. The reversal of 380250001 is 100052083.
It is a happy number.
It is a Cunningham number, because it is equal to 195002+1.
It can be written as a sum of positive squares in 4 ways, for example, as 1752976 + 378497025 = 1324^2 + 19455^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 380250001 - 223 = 371861393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380250071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6760 + ... + 28393.
It is an arithmetic number, because the mean of its divisors is an integer number (49303485).
Almost surely, 2380250001 is an apocalyptic number.
It is an amenable number.
380250001 is a deficient number, since it is larger than the sum of its proper divisors (14177879).
380250001 is a wasteful number, since it uses less digits than its factorization.
380250001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35555.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 380250001 is about 19500.0000256410. Note that the first 4 decimals coincide. The cubic root of 380250001 is about 724.4744513085.
The spelling of 380250001 in words is "three hundred eighty million, two hundred fifty thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •