Base | Representation |
---|---|
bin | 10110101010010… |
… | …110011100110011 |
3 | 222111102012101110 |
4 | 112222112130303 |
5 | 1234312411010 |
6 | 101421004403 |
7 | 12264440004 |
oct | 2652263463 |
9 | 874365343 |
10 | 380200755 |
11 | 185682500 |
12 | a73b3703 |
13 | 609cb67c |
14 | 386cd1ab |
15 | 235a2120 |
hex | 16a96733 |
380200755 has 24 divisors (see below), whose sum is σ = 668653776. Its totient is φ = 184338880.
The previous prime is 380200753. The next prime is 380200783. The reversal of 380200755 is 557002083.
It is a happy number.
It is not a de Polignac number, because 380200755 - 21 = 380200753 is a prime.
It is a super-2 number, since 2×3802007552 = 289105228205140050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (380200753) 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, 102924 + ... + 106553.
It is an arithmetic number, because the mean of its divisors is an integer number (27860574).
Almost surely, 2380200755 is an apocalyptic number.
380200755 is a deficient number, since it is larger than the sum of its proper divisors (288453021).
380200755 is a wasteful number, since it uses less digits than its factorization.
380200755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209507 (or 209496 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 380200755 is about 19498.7372668078. The cubic root of 380200755 is about 724.4431745090.
The spelling of 380200755 in words is "three hundred eighty million, two hundred thousand, seven hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.117 sec. • engine limits •