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1420093 is a prime number
BaseRepresentation
bin101011010101100111101
32200011000001
411122230331
5330420333
650234301
715033133
oct5325475
92604001
101420093
1188aa34
12585991
133a94bc
1428d753
151d0b7d
hex15ab3d

1420093 has 2 divisors, whose sum is σ = 1420094. Its totient is φ = 1420092.

The previous prime is 1420091. The next prime is 1420099. The reversal of 1420093 is 3900241.

It is the 487-th star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736164 + 683929 = 858^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420093 - 21 = 1420091 is a prime.

Together with 1420091, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1420093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710046 + 710047.

It is an arithmetic number, because the mean of its divisors is an integer number (710047).

21420093 is an apocalyptic number.

It is an amenable number.

1420093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420093 is an equidigital number, since it uses as much as digits as its factorization.

1420093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1420093 is about 1191.6765500756. The cubic root of 1420093 is about 112.4015401907.

The spelling of 1420093 in words is "one million, four hundred twenty thousand, ninety-three".