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431341 = 1725373
BaseRepresentation
bin1101001010011101101
3210220200121
41221103231
5102300331
613124541
73444361
oct1512355
9726617
10431341
11275089
12189751
13121441
14b32a1
1587c11
hex694ed

431341 has 4 divisors (see below), whose sum is σ = 456732. Its totient is φ = 405952.

The previous prime is 431339. The next prime is 431363. The reversal of 431341 is 143134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133225 + 298116 = 365^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 431341 - 21 = 431339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431311) 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 3 ways as a sum of consecutive naturals, for example, 12670 + ... + 12703.

It is an arithmetic number, because the mean of its divisors is an integer number (114183).

2431341 is an apocalyptic number.

It is an amenable number.

431341 is a deficient number, since it is larger than the sum of its proper divisors (25391).

431341 is a wasteful number, since it uses less digits than its factorization.

431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25390.

The product of its digits is 144, while the sum is 16.

The square root of 431341 is about 656.7655593893. The cubic root of 431341 is about 75.5568041733.

Adding to 431341 its reverse (143134), we get a palindrome (574475).

The spelling of 431341 in words is "four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 17 25373 431341