Search a number
-
+
104894943 = 3293973037
BaseRepresentation
bin1100100000010…
…01000111011111
321022101012210220
412100021013133
5203323114233
614224132423
72412410106
oct620110737
9238335726
10104894943
115423513a
122b167113
131896881a
14dd0703d
15931eeb3
hex64091df

104894943 has 16 divisors (see below), whose sum is σ = 145094880. Its totient is φ = 67326336.

The previous prime is 104894939. The next prime is 104894987. The reversal of 104894943 is 349498401.

It is not a de Polignac number, because 104894943 - 22 = 104894939 is a prime.

It is a super-2 number, since 2×1048949432 = 22005898133946498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104894895 and 104894904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104894143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33021 + ... + 36057.

It is an arithmetic number, because the mean of its divisors is an integer number (9068430).

Almost surely, 2104894943 is an apocalyptic number.

104894943 is a deficient number, since it is larger than the sum of its proper divisors (40199937).

104894943 is a wasteful number, since it uses less digits than its factorization.

104894943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 104894943 is about 10241.8232263597. The cubic root of 104894943 is about 471.6120036929.

The spelling of 104894943 in words is "one hundred four million, eight hundred ninety-four thousand, nine hundred forty-three".

Divisors: 1 3 29 87 397 1191 3037 9111 11513 34539 88073 264219 1205689 3617067 34964981 104894943