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422023 = 760289
BaseRepresentation
bin1100111000010000111
3210102220111
41213002013
5102001043
613013451
73405250
oct1470207
9712814
10422023
11269088
12184287
1311a124
14adb27
158509d
hex67087

422023 has 4 divisors (see below), whose sum is σ = 482320. Its totient is φ = 361728.

The previous prime is 421997. The next prime is 422029. The reversal of 422023 is 320224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-422023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421994 and 422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30138 + ... + 30151.

It is an arithmetic number, because the mean of its divisors is an integer number (120580).

2422023 is an apocalyptic number.

422023 is a deficient number, since it is larger than the sum of its proper divisors (60297).

422023 is an equidigital number, since it uses as much as digits as its factorization.

422023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60296.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 422023 is about 649.6329733011. The cubic root of 422023 is about 75.0087693450.

Adding to 422023 its reverse (320224), we get a palindrome (742247).

The spelling of 422023 in words is "four hundred twenty-two thousand, twenty-three", and thus it is an iban number.

Divisors: 1 7 60289 422023