Search a number
-
+
10404181 is a prime number
BaseRepresentation
bin100111101100…
…000101010101
3201120120212001
4213230011111
510130413211
61010555301
7154301614
oct47540525
921516761
1010404181
1159668a7
123598b31
132203828
14154b87b
15da7ac1
hex9ec155

10404181 has 2 divisors, whose sum is σ = 10404182. Its totient is φ = 10404180.

The previous prime is 10404143. The next prime is 10404193. The reversal of 10404181 is 18140401.

10404181 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9205156 + 1199025 = 3034^2 + 1095^2 .

It is an emirp because it is prime and its reverse (18140401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10404181 - 29 = 10403669 is a prime.

It is a super-2 number, since 2×104041812 = 216493964561522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10404281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202090 + 5202091.

It is an arithmetic number, because the mean of its divisors is an integer number (5202091).

Almost surely, 210404181 is an apocalyptic number.

It is an amenable number.

10404181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10404181 is an equidigital number, since it uses as much as digits as its factorization.

10404181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 10404181 is about 3225.5512707133. The cubic root of 10404181 is about 218.3078234218.

Adding to 10404181 its reverse (18140401), we get a palindrome (28544582).

It can be divided in two parts, 10404 and 181, that added together give a triangular number (10585 = T145).

The spelling of 10404181 in words is "ten million, four hundred four thousand, one hundred eighty-one".