Search a number
-
+
1422393 = 3767733
BaseRepresentation
bin101011011010000111001
32200021011020
411123100321
5331004033
650253053
715042630
oct5332071
92607136
101422393
11891735
12587189
133aa56b
14290517
151d16b3
hex15b439

1422393 has 8 divisors (see below), whose sum is σ = 2167488. Its totient is φ = 812784.

The previous prime is 1422367. The next prime is 1422409. The reversal of 1422393 is 3932241.

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

It is not a de Polignac number, because 1422393 - 212 = 1418297 is a prime.

It is a super-3 number, since 3×14223933 = 8633364431928397371, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1422193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33846 + ... + 33887.

It is an arithmetic number, because the mean of its divisors is an integer number (270936).

21422393 is an apocalyptic number.

It is an amenable number.

1422393 is a deficient number, since it is larger than the sum of its proper divisors (745095).

1422393 is an equidigital number, since it uses as much as digits as its factorization.

1422393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67743.

The product of its digits is 1296, while the sum is 24.

The square root of 1422393 is about 1192.6411866106. The cubic root of 1422393 is about 112.4621897629.

The spelling of 1422393 in words is "one million, four hundred twenty-two thousand, three hundred ninety-three".

Divisors: 1 3 7 21 67733 203199 474131 1422393