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429231 = 31113007

429231 has 8 divisors (see below), whose sum is σ = 624384. Its totient is φ = 260120.

The previous prime is 429227. The next prime is 429241. The reversal of 429231 is 132924.

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 429231 - 22 = 429227 is a prime.

It is a super-2 number, since 2×4292312 = 368478502722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 429198 and 429207.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 429231.

It is not an unprimeable number, because it can be changed into a prime (429211) 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, 6471 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (78048).

2429231 is an apocalyptic number.

429231 is a deficient number, since it is larger than the sum of its proper divisors (195153).

429231 is a wasteful number, since it uses less digits than its factorization.

429231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13021.

The product of its digits is 432, while the sum is 21.

The square root of 429231 is about 655.1572330365. The cubic root of 429231 is about 75.4334017920.

It can be divided in two parts, 42923 and 1, that added together give a palindrome (42924).

The spelling of 429231 in words is "four hundred twenty-nine thousand, two hundred thirty-one".

Divisors: 1 3 11 33 13007 39021 143077 429231