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330401242 = 21491108729
BaseRepresentation
bin10011101100011…
…000010111011010
3212000201010022001
4103230120113122
51134040314432
652441351214
711121235633
oct2354302732
9760633261
10330401242
1115a559386
129279850a
13535b35c2
1431c4888a
151e0169e7
hex13b185da

330401242 has 8 divisors (see below), whose sum is σ = 498928500. Its totient is φ = 164091744.

The previous prime is 330401191. The next prime is 330401249. The reversal of 330401242 is 242104033.

It can be written as a sum of positive squares in 2 ways, for example, as 324684361 + 5716881 = 18019^2 + 2391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (330401249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554067 + ... + 554662.

Almost surely, 2330401242 is an apocalyptic number.

330401242 is a deficient number, since it is larger than the sum of its proper divisors (168527258).

330401242 is a wasteful number, since it uses less digits than its factorization.

330401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108880.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 330401242 is about 18176.9425921963. The cubic root of 330401242 is about 691.3222855278.

Adding to 330401242 its reverse (242104033), we get a palindrome (572505275).

The spelling of 330401242 in words is "three hundred thirty million, four hundred one thousand, two hundred forty-two".

Divisors: 1 2 149 298 1108729 2217458 165200621 330401242