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330985 = 5531249
BaseRepresentation
bin1010000110011101001
3121211000201
41100303221
541042420
611032201
72545654
oct1206351
9554021
10330985
11206746
1213b661
13b7865
148889b
156810a
hex50ce9

330985 has 8 divisors (see below), whose sum is σ = 405000. Its totient is φ = 259584.

The previous prime is 330983. The next prime is 330997. The reversal of 330985 is 589033.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47961 + 283024 = 219^2 + 532^2 .

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 330985 - 21 = 330983 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330983) 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, 360 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (50625).

2330985 is an apocalyptic number.

It is an amenable number.

330985 is a deficient number, since it is larger than the sum of its proper divisors (74015).

330985 is a wasteful number, since it uses less digits than its factorization.

330985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 330985 is about 575.3129583105. The cubic root of 330985 is about 69.1729192264.

The spelling of 330985 in words is "three hundred thirty thousand, nine hundred eighty-five".

Divisors: 1 5 53 265 1249 6245 66197 330985