Search a number
-
+
4389993910 = 2513918117449
BaseRepresentation
bin1000001011010100…
…11111110110110110
3102022221112210112001
410011222133312312
532442314301120
62003340445514
7213534222031
oct40552376666
912287483461
104389993910
111953045445
12a2624989a
1354c66b743
142d9072018
151aa60de0a
hex105a9fdb6

4389993910 has 32 divisors (see below), whose sum is σ = 8003268000. Its totient is φ = 1733633280.

The previous prime is 4389993889. The next prime is 4389993911. The reversal of 4389993910 is 193999834.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389993911) 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, 242866 + ... + 260314.

It is an arithmetic number, because the mean of its divisors is an integer number (250102125).

Almost surely, 24389993910 is an apocalyptic number.

4389993910 is a deficient number, since it is larger than the sum of its proper divisors (3613274090).

4389993910 is a wasteful number, since it uses less digits than its factorization.

4389993910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17776.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 4389993910 is about 66257.0291365377. The cubic root of 4389993910 is about 1637.3994465380.

The spelling of 4389993910 in words is "four billion, three hundred eighty-nine million, nine hundred ninety-three thousand, nine hundred ten".

Divisors: 1 2 5 10 139 181 278 362 695 905 1390 1810 17449 25159 34898 50318 87245 125795 174490 251590 2425411 3158269 4850822 6316538 12127055 15791345 24254110 31582690 438999391 877998782 2194996955 4389993910