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422203123 = 1927780221
BaseRepresentation
bin11001001010100…
…100111011110011
31002102110010210201
4121022210323303
51331040444443
6105521140031
713314444616
oct3112447363
91072403721
10422203123
111a7360501
12b948a617
1369616744
144010417d
15270ec34d
hex192a4ef3

422203123 has 8 divisors (see below), whose sum is σ = 446034320. Its totient is φ = 398532960.

The previous prime is 422203091. The next prime is 422203127. The reversal of 422203123 is 321302224.

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

It is a cyclic number.

It is not a de Polignac number, because 422203123 - 25 = 422203091 is a prime.

It is a super-3 number, since 3×4222031233 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422203123.

It is not an unprimeable number, because it can be changed into a prime (422203127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34848 + ... + 45373.

It is an arithmetic number, because the mean of its divisors is an integer number (55754290).

Almost surely, 2422203123 is an apocalyptic number.

422203123 is a deficient number, since it is larger than the sum of its proper divisors (23831197).

422203123 is a wasteful number, since it uses less digits than its factorization.

422203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80517.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 422203123 is about 20547.5819258617. The cubic root of 422203123 is about 750.1943928701.

Adding to 422203123 its reverse (321302224), we get a palindrome (743505347).

The spelling of 422203123 in words is "four hundred twenty-two million, two hundred three thousand, one hundred twenty-three".

Divisors: 1 19 277 5263 80221 1524199 22221217 422203123