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14430531 = 331155167
BaseRepresentation
bin110111000011…
…000101000011
31000011010222010
4313003011003
512143234111
61233144003
7233441343
oct67030503
930133863
1014430531
118166965
1249bb003
132cb339b
141cb8d23
151400aa6
hexdc3143

14430531 has 8 divisors (see below), whose sum is σ = 19861504. Its totient is φ = 9309960.

The previous prime is 14430529. The next prime is 14430539. The reversal of 14430531 is 13503441.

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

It is not a de Polignac number, because 14430531 - 21 = 14430529 is a prime.

It is a super-2 number, since 2×144305312 = 416480449883922, 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 = 14430498 and 14430507.

It is not an unprimeable number, because it can be changed into a prime (14430539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77491 + ... + 77676.

It is an arithmetic number, because the mean of its divisors is an integer number (2482688).

Almost surely, 214430531 is an apocalyptic number.

14430531 is a deficient number, since it is larger than the sum of its proper divisors (5430973).

14430531 is a wasteful number, since it uses less digits than its factorization.

14430531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155201.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 14430531 is about 3798.7538746278. The cubic root of 14430531 is about 243.4598989207.

Adding to 14430531 its reverse (13503441), we get a palindrome (27933972).

The spelling of 14430531 in words is "fourteen million, four hundred thirty thousand, five hundred thirty-one".

Divisors: 1 3 31 93 155167 465501 4810177 14430531