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10204423 = 44922727
BaseRepresentation
bin100110111011…
…010100000111
3201012102211121
4212323110013
510103020143
61002414411
7152510335
oct46732407
921172747
1010204423
11583a809
123501407
132163928
1414d8b55
15d687ed
hex9bb507

10204423 has 4 divisors (see below), whose sum is σ = 10227600. Its totient is φ = 10181248.

The previous prime is 10204409. The next prime is 10204427. The reversal of 10204423 is 32440201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32440201 = 191707379.

It is a cyclic number.

It is not a de Polignac number, because 10204423 - 25 = 10204391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10204397 and 10204406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10915 + ... + 11812.

It is an arithmetic number, because the mean of its divisors is an integer number (2556900).

Almost surely, 210204423 is an apocalyptic number.

10204423 is a deficient number, since it is larger than the sum of its proper divisors (23177).

10204423 is an equidigital number, since it uses as much as digits as its factorization.

10204423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 10204423 is about 3194.4362569943. The cubic root of 10204423 is about 216.9016309653.

Adding to 10204423 its reverse (32440201), we get a palindrome (42644624).

The spelling of 10204423 in words is "ten million, two hundred four thousand, four hundred twenty-three".

Divisors: 1 449 22727 10204423