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381113835 = 3547540587
BaseRepresentation
bin10110101101110…
…101010111101011
3222120010120220020
4112231311113223
51240031120320
6101452331523
712305262024
oct2655652753
9876116806
10381113835
11186146513
12a7773ba3
1360c5b15b
1438889c4b
15236d2940
hex16b755eb

381113835 has 16 divisors (see below), whose sum is σ = 622757376. Its totient is φ = 198935648.

The previous prime is 381113833. The next prime is 381113849. The reversal of 381113835 is 538311183.

It is a cyclic number.

It is not a de Polignac number, because 381113835 - 21 = 381113833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381113796 and 381113805.

It is not an unprimeable number, because it can be changed into a prime (381113833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269589 + ... + 270998.

It is an arithmetic number, because the mean of its divisors is an integer number (38922336).

Almost surely, 2381113835 is an apocalyptic number.

381113835 is a deficient number, since it is larger than the sum of its proper divisors (241643541).

381113835 is a wasteful number, since it uses less digits than its factorization.

381113835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540642.

The product of its digits is 8640, while the sum is 33.

The square root of 381113835 is about 19522.1370500261. The cubic root of 381113835 is about 725.0226453489.

The spelling of 381113835 in words is "three hundred eighty-one million, one hundred thirteen thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 47 141 235 705 540587 1621761 2702935 8108805 25407589 76222767 127037945 381113835