Base | Representation |
---|---|
bin | 10110101001101… |
… | …111101010101100 |
3 | 222111010010110221 |
4 | 112221233222230 |
5 | 1234242320100 |
6 | 101413341124 |
7 | 12263205610 |
oct | 2651575254 |
9 | 874103427 |
10 | 380041900 |
11 | 185584117 |
12 | a73377a4 |
13 | 60974284 |
14 | 3868b340 |
15 | 2357001a |
hex | 16a6faac |
380041900 has 72 divisors (see below), whose sum is σ = 948439296. Its totient is φ = 129480000.
The previous prime is 380041877. The next prime is 380041901. The reversal of 380041900 is 9140083.
It is a super-2 number, since 2×3800419002 = 288863691511220000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (380041901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115275 + ... + 118525.
It is an arithmetic number, because the mean of its divisors is an integer number (13172768).
Almost surely, 2380041900 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380041900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474219648).
380041900 is an abundant number, since it is smaller than the sum of its proper divisors (568397396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380041900 is a wasteful number, since it uses less digits than its factorization.
380041900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3439 (or 3432 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 380041900 is about 19494.6633723181. The cubic root of 380041900 is about 724.3422651425.
Adding to 380041900 its reverse (9140083), we get a palindrome (389181983).
The spelling of 380041900 in words is "three hundred eighty million, forty-one thousand, nine hundred".
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