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422138 = 2832543
BaseRepresentation
bin1100111000011111010
3210110001202
41213003322
5102002023
613014202
73405503
oct1470372
9713052
10422138
11269182
12184362
1311a1b2
14adbaa
1585128
hex670fa

422138 has 8 divisors (see below), whose sum is σ = 641088. Its totient is φ = 208444.

The previous prime is 422137. The next prime is 422141. The reversal of 422138 is 831224.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422138.

It is not an unprimeable number, because it can be changed into a prime (422137) 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 3 ways as a sum of consecutive naturals, for example, 1106 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (80136).

2422138 is an apocalyptic number.

422138 is a deficient number, since it is larger than the sum of its proper divisors (218950).

422138 is a wasteful number, since it uses less digits than its factorization.

422138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 384, while the sum is 20.

The square root of 422138 is about 649.7214787892. The cubic root of 422138 is about 75.0155819477.

The spelling of 422138 in words is "four hundred twenty-two thousand, one hundred thirty-eight".

Divisors: 1 2 83 166 2543 5086 211069 422138