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1421343744 = 2103462677
BaseRepresentation
bin101010010110111…
…1111110000000000
310200001111202001220
41110231333300000
510402330444434
6353012155040
750136136212
oct12455776000
93601452056
101421343744
1166a347657
12338008a80
13198612702
14d6aaa5b2
1584badd49
hex54b7fc00

1421343744 has 44 divisors (see below), whose sum is σ = 3788407464. Its totient is φ = 473780224.

The previous prime is 1421343743. The next prime is 1421343751. The reversal of 1421343744 is 4473431241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421343743) 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, 228267 + ... + 234410.

Almost surely, 21421343744 is an apocalyptic number.

It is an amenable number.

1421343744 is an abundant number, since it is smaller than the sum of its proper divisors (2367063720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421343744 is an equidigital number, since it uses as much as digits as its factorization.

1421343744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462700 (or 462682 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 1421343744 is about 37700.7127784078. The cubic root of 1421343744 is about 1124.3452964956.

Adding to 1421343744 its reverse (4473431241), we get a palindrome (5894774985).

The spelling of 1421343744 in words is "one billion, four hundred twenty-one million, three hundred forty-three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 3072 462677 925354 1388031 1850708 2776062 3701416 5552124 7402832 11104248 14805664 22208496 29611328 44416992 59222656 88833984 118445312 177667968 236890624 355335936 473781248 710671872 1421343744