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9442423 = 41230303
BaseRepresentation
bin100100000001…
…010001110111
3122202201120101
4210001101313
54404124143
6534214531
7143154634
oct44012167
918681511
109442423
11536a261
1231b4447
131c57b43
14137b18b
15c67b4d
hex901477

9442423 has 4 divisors (see below), whose sum is σ = 9672768. Its totient is φ = 9212080.

The previous prime is 9442417. The next prime is 9442439. The reversal of 9442423 is 3242449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242449 = 7463207.

It is a cyclic number.

It is not a de Polignac number, because 9442423 - 221 = 7345271 is a prime.

It is a super-2 number, since 2×94424232 = 178318704221858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9442391 and 9442400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9442493) 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, 115111 + ... + 115192.

It is an arithmetic number, because the mean of its divisors is an integer number (2418192).

Almost surely, 29442423 is an apocalyptic number.

9442423 is a deficient number, since it is larger than the sum of its proper divisors (230345).

9442423 is a wasteful number, since it uses less digits than its factorization.

9442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230344.

The product of its digits is 6912, while the sum is 28.

The square root of 9442423 is about 3072.8525835126. The cubic root of 9442423 is about 211.3624416866.

The spelling of 9442423 in words is "nine million, four hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 41 230303 9442423