Search a number
-
+
1413303181 = 4093455509
BaseRepresentation
bin101010000111101…
…0100101110001101
310122111101020111021
41110033110232031
510343301200211
6352123554141
750010610303
oct12417245615
93574336437
101413303181
11665855664
1233538b951
13196a58994
14d59b6273
1584121771
hex543d4b8d

1413303181 has 4 divisors (see below), whose sum is σ = 1416759100. Its totient is φ = 1409847264.

The previous prime is 1413303161. The next prime is 1413303217. The reversal of 1413303181 is 1813033141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1813033141 = 5473314503.

It can be written as a sum of positive squares in 2 ways, for example, as 1318416100 + 94887081 = 36310^2 + 9741^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413303181 - 27 = 1413303053 is a prime.

It is a super-2 number, since 2×14133031812 = 3994851762849437522, which contains 22 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 (1413303161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727346 + ... + 1728163.

It is an arithmetic number, because the mean of its divisors is an integer number (354189775).

Almost surely, 21413303181 is an apocalyptic number.

It is an amenable number.

1413303181 is a deficient number, since it is larger than the sum of its proper divisors (3455919).

1413303181 is an equidigital number, since it uses as much as digits as its factorization.

1413303181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455918.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1413303181 is about 37593.9247884548. The cubic root of 1413303181 is about 1122.2211398832.

The spelling of 1413303181 in words is "one billion, four hundred thirteen million, three hundred three thousand, one hundred eighty-one".

Divisors: 1 409 3455509 1413303181