Search a number
-
+
1422593 is a prime number
BaseRepresentation
bin101011011010100000001
32200021102122
411123110001
5331010333
650254025
715043334
oct5332401
92607378
101422593
118918a7
12587315
133aa693
1429061b
151d1798
hex15b501

1422593 has 2 divisors, whose sum is σ = 1422594. Its totient is φ = 1422592.

The previous prime is 1422583. The next prime is 1422599. The reversal of 1422593 is 3952241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1399489 + 23104 = 1183^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422593 - 210 = 1421569 is a prime.

It is equal to p108665 and since 1422593 and 108665 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422599) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711296 + 711297.

It is an arithmetic number, because the mean of its divisors is an integer number (711297).

21422593 is an apocalyptic number.

It is an amenable number.

1422593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422593 is an equidigital number, since it uses as much as digits as its factorization.

1422593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 1422593 is about 1192.7250311786. The cubic root of 1422593 is about 112.4674605481.

The spelling of 1422593 in words is "one million, four hundred twenty-two thousand, five hundred ninety-three".