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1421402833 is a prime number
BaseRepresentation
bin101010010111000…
…1110001011010001
310200001121202010101
41110232032023101
510402334342313
6353013332401
750136503404
oct12456161321
93601552111
101421402833
1166a387a94
12338037101
13198633586
14d6ac3d3b
1584bc15dd
hex54b8e2d1

1421402833 has 2 divisors, whose sum is σ = 1421402834. Its totient is φ = 1421402832.

The previous prime is 1421402831. The next prime is 1421402867. The reversal of 1421402833 is 3382041241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840014289 + 581388544 = 28983^2 + 24112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421402833 - 21 = 1421402831 is a prime.

Together with 1421402831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1421402831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710701416 + 710701417.

It is an arithmetic number, because the mean of its divisors is an integer number (710701417).

Almost surely, 21421402833 is an apocalyptic number.

It is an amenable number.

1421402833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421402833 is an equidigital number, since it uses as much as digits as its factorization.

1421402833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1421402833 is about 37701.4964291870. The cubic root of 1421402833 is about 1124.3608769440.

The spelling of 1421402833 in words is "one billion, four hundred twenty-one million, four hundred two thousand, eight hundred thirty-three".