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330988 = 22711821
BaseRepresentation
bin1010000110011101100
3121211000211
41100303230
541042423
611032204
72545660
oct1206354
9554024
10330988
11206749
1213b664
13b7868
14888a0
156810d
hex50cec

330988 has 12 divisors (see below), whose sum is σ = 662032. Its totient is φ = 141840.

The previous prime is 330983. The next prime is 330997. The reversal of 330988 is 889033.

330988 is an admirable number.

It is a super-2 number, since 2×3309882 = 219106112288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330983) by changing a digit.

330988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5883 + ... + 5938.

2330988 is an apocalyptic number.

It is an amenable number.

330988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330988 is a wasteful number, since it uses less digits than its factorization.

330988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11832 (or 11830 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 330988 is about 575.3155655812. The cubic root of 330988 is about 69.1731282168.

It can be divided in two parts, 3309 and 88, that multiplied together give a palindrome (291192).

The spelling of 330988 in words is "three hundred thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 11821 23642 47284 82747 165494 330988