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423044131 = 795354989
BaseRepresentation
bin11001001101110…
…010010000100011
31002111000212110011
4121031302100203
51331244403011
6105551145351
713324546546
oct3115622043
91074025404
10423044131
111a7885354
12b9815257
136984c493
144028285d
1527216621
hex19372423

423044131 has 4 divisors (see below), whose sum is σ = 428399200. Its totient is φ = 417689064.

The previous prime is 423044117. The next prime is 423044159. The reversal of 423044131 is 131440324.

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

It is a cyclic number.

It is not a de Polignac number, because 423044131 - 27 = 423044003 is a prime.

It is a super-2 number, since 2×4230441312 = 357932673547090322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423044161) 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, 2677416 + ... + 2677573.

It is an arithmetic number, because the mean of its divisors is an integer number (107099800).

Almost surely, 2423044131 is an apocalyptic number.

423044131 is a deficient number, since it is larger than the sum of its proper divisors (5355069).

423044131 is an equidigital number, since it uses as much as digits as its factorization.

423044131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355068.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 423044131 is about 20568.0366345454. The cubic root of 423044131 is about 750.6921793575.

Adding to 423044131 its reverse (131440324), we get a palindrome (554484455).

The spelling of 423044131 in words is "four hundred twenty-three million, forty-four thousand, one hundred thirty-one".

Divisors: 1 79 5354989 423044131