Search a number
-
+
384949413 = 322331239251
BaseRepresentation
bin10110111100011…
…101110010100101
3222211100110022200
4112330131302211
51242021340123
6102110445113
712353005332
oct2674356245
9884313280
10384949413
11188326212
12a8b03799
13619a1c24
14391a7989
1523bde143
hex16f1dca5

384949413 has 48 divisors (see below), whose sum is σ = 603832320. Its totient is φ = 235620000.

The previous prime is 384949391. The next prime is 384949457. The reversal of 384949413 is 314949483.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-384949413 is a prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384949493) 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 47 ways as a sum of consecutive naturals, for example, 1533538 + ... + 1533788.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 2384949413 is an apocalyptic number.

It is an amenable number.

384949413 is a deficient number, since it is larger than the sum of its proper divisors (218882907).

384949413 is a wasteful number, since it uses less digits than its factorization.

384949413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 547 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 384949413 is about 19620.1277518777. The cubic root of 384949413 is about 727.4467711790.

The spelling of 384949413 in words is "three hundred eighty-four million, nine hundred forty-nine thousand, four hundred thirteen".

Divisors: 1 3 9 23 31 69 93 207 239 251 279 713 717 753 2139 2151 2259 5497 5773 6417 7409 7781 16491 17319 22227 23343 49473 51957 59989 66681 70029 170407 178963 179967 511221 536889 539901 1379747 1533663 1610667 1859659 4139241 5578977 12417723 16736931 42772157 128316471 384949413