Search a number
-
+
381441412 = 22118669123
BaseRepresentation
bin10110101111000…
…101010110000100
3222120202020020201
4112233011112010
51240122111122
6101503340244
712311125042
oct2657052604
9876666221
10381441412
1118634a640
12a78b1684
13610442a1
1438933392
1523749a27
hex16bc5584

381441412 has 12 divisors (see below), whose sum is σ = 728206416. Its totient is φ = 173382440.

The previous prime is 381441383. The next prime is 381441413. The reversal of 381441412 is 214144183.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (381441413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334518 + ... + 4334605.

It is an arithmetic number, because the mean of its divisors is an integer number (60683868).

Almost surely, 2381441412 is an apocalyptic number.

It is an amenable number.

381441412 is a deficient number, since it is larger than the sum of its proper divisors (346765004).

381441412 is a wasteful number, since it uses less digits than its factorization.

381441412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669138 (or 8669136 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 381441412 is about 19530.5251337490. The cubic root of 381441412 is about 725.2303109752.

Adding to 381441412 its reverse (214144183), we get a palindrome (595585595).

The spelling of 381441412 in words is "three hundred eighty-one million, four hundred forty-one thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 8669123 17338246 34676492 95360353 190720706 381441412