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331441 = 11291039
BaseRepresentation
bin1010000111010110001
3121211122121
41100322301
541101231
611034241
72550205
oct1207261
9554577
10331441
11207020
1213b981
13b7b26
1488b05
1568311
hex50eb1

331441 has 8 divisors (see below), whose sum is σ = 374400. Its totient is φ = 290640.

The previous prime is 331423. The next prime is 331447. The reversal of 331441 is 144133.

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 331441 - 211 = 329393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2331441 is an apocalyptic number.

It is an amenable number.

331441 is a deficient number, since it is larger than the sum of its proper divisors (42959).

331441 is a wasteful number, since it uses less digits than its factorization.

331441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

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

The square root of 331441 is about 575.7091279457. The cubic root of 331441 is about 69.2046712964.

Adding to 331441 its reverse (144133), we get a palindrome (475574).

The spelling of 331441 in words is "three hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 11 29 319 1039 11429 30131 331441