Search a number
-
+
10404191 = 719137571
BaseRepresentation
bin100111101100…
…000101011111
3201120120212102
4213230011133
510130413231
61010555315
7154301630
oct47540537
921516772
1010404191
115966906
123598b3b
132203835
14154b887
15da7acb
hex9ec15f

10404191 has 16 divisors (see below), whose sum is σ = 12629760. Its totient is φ = 8372160.

The previous prime is 10404181. The next prime is 10404193. The reversal of 10404191 is 19140401.

It is not a de Polignac number, because 10404191 - 214 = 10387807 is a prime.

It is a super-3 number, since 3×104041913 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17936 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (789360).

Almost surely, 210404191 is an apocalyptic number.

10404191 is a deficient number, since it is larger than the sum of its proper divisors (2225569).

10404191 is a wasteful number, since it uses less digits than its factorization.

10404191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10404191 is about 3225.5528208355. The cubic root of 10404191 is about 218.3078933641.

Adding to 10404191 its reverse (19140401), we get a palindrome (29544592).

The spelling of 10404191 in words is "ten million, four hundred four thousand, one hundred ninety-one".

Divisors: 1 7 19 133 137 571 959 2603 3997 10849 18221 75943 78227 547589 1486313 10404191