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1421286422 = 21451489761
BaseRepresentation
bin101010010110111…
…0001110000010110
310200001101211102212
41110231301300112
510402322131142
6353011033422
750135510123
oct12455616026
93601354385
101421286422
1166a308586
12337b9b872
131985c25aa
14d6a9374a
1584b9bd82
hex54b71c16

1421286422 has 8 divisors (see below), whose sum is σ = 2133403272. Its totient is φ = 710152000.

The previous prime is 1421286413. The next prime is 1421286463. The reversal of 1421286422 is 2246821241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241979 + ... + 247782.

It is an arithmetic number, because the mean of its divisors is an integer number (266675409).

Almost surely, 21421286422 is an apocalyptic number.

1421286422 is a deficient number, since it is larger than the sum of its proper divisors (712116850).

1421286422 is a wasteful number, since it uses less digits than its factorization.

1421286422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491214.

The product of its digits is 12288, while the sum is 32.

The square root of 1421286422 is about 37699.9525463892. The cubic root of 1421286422 is about 1124.3301815530.

The spelling of 1421286422 in words is "one billion, four hundred twenty-one million, two hundred eighty-six thousand, four hundred twenty-two".

Divisors: 1 2 1451 2902 489761 979522 710643211 1421286422