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331424 = 2510357
BaseRepresentation
bin1010000111010100000
3121211121222
41100322200
541101144
611034212
72550152
oct1207240
9554558
10331424
11207005
1213b968
13b7b12
1488ad2
15682ee
hex50ea0

331424 has 12 divisors (see below), whose sum is σ = 652554. Its totient is φ = 165696.

The previous prime is 331423. The next prime is 331447. The reversal of 331424 is 424133.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 48400 = 532^2 + 220^2 .

It is not an unprimeable number, because it can be changed into a prime (331423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5147 + ... + 5210.

2331424 is an apocalyptic number.

It is an amenable number.

331424 is a deficient number, since it is larger than the sum of its proper divisors (321130).

331424 is a wasteful number, since it uses less digits than its factorization.

331424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367 (or 10359 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 331424 is about 575.6943633561. The cubic root of 331424 is about 69.2034880797.

Adding to 331424 its reverse (424133), we get a palindrome (755557).

The spelling of 331424 in words is "three hundred thirty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 10357 20714 41428 82856 165712 331424