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1411532221 = 11128321111
BaseRepresentation
bin101010000100010…
…0100010110111101
310122101001021012011
41110020210112331
510342323012341
6352022011221
746656553201
oct12410442675
93571037164
101411532221
11664856060
12334876b11
13196588888
14d5674b01
1583dc1b81
hex542245bd

1411532221 has 4 divisors (see below), whose sum is σ = 1539853344. Its totient is φ = 1283211100.

The previous prime is 1411532209. The next prime is 1411532237. The reversal of 1411532221 is 1222351141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1411532221 - 25 = 1411532189 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1411532192 and 1411532201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411532621) 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, 64160545 + ... + 64160566.

It is an arithmetic number, because the mean of its divisors is an integer number (384963336).

Almost surely, 21411532221 is an apocalyptic number.

1411532221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1411532221 is a deficient number, since it is larger than the sum of its proper divisors (128321123).

1411532221 is a wasteful number, since it uses less digits than its factorization.

1411532221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128321122.

The product of its digits is 480, while the sum is 22.

The square root of 1411532221 is about 37570.3635995182. The cubic root of 1411532221 is about 1121.7522054814.

Adding to 1411532221 its reverse (1222351141), we get a palindrome (2633883362).

The spelling of 1411532221 in words is "one billion, four hundred eleven million, five hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 11 128321111 1411532221