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1421311132 = 22893992447
BaseRepresentation
bin101010010110111…
…0111110010011100
310200001110002100001
41110231313302130
510402323424012
6353011344044
750135642143
oct12455676234
93601402301
101421311132
1166a3250aa
12337bb2024
13198600907
14d6a9c75a
1584ba4357
hex54b77c9c

1421311132 has 12 divisors (see below), whose sum is σ = 2515242240. Its totient is φ = 702670496.

The previous prime is 1421311103. The next prime is 1421311139. The reversal of 1421311132 is 2311131241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421311139) 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, 1995868 + ... + 1996579.

It is an arithmetic number, because the mean of its divisors is an integer number (209603520).

Almost surely, 21421311132 is an apocalyptic number.

It is an amenable number.

1421311132 is a deficient number, since it is larger than the sum of its proper divisors (1093931108).

1421311132 is a wasteful number, since it uses less digits than its factorization.

1421311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992540 (or 3992538 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1421311132 is about 37700.2802642102. The cubic root of 1421311132 is about 1124.3366972553.

Adding to 1421311132 its reverse (2311131241), we get a palindrome (3732442373).

The spelling of 1421311132 in words is "one billion, four hundred twenty-one million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 89 178 356 3992447 7984894 15969788 355327783 710655566 1421311132