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330521113 = 13199312757
BaseRepresentation
bin10011101100110…
…101101000011001
3212000221012201201
4103230311220121
51134103133423
652444114201
711122245256
oct2354655031
9760835651
10330521113
1115a63044a
1292835961
1353626030
1431c7a42d
151e03c2ad
hex13b35a19

330521113 has 8 divisors (see below), whose sum is σ = 356152328. Its totient is φ = 304919424.

The previous prime is 330521057. The next prime is 330521143. The reversal of 330521113 is 311125033.

It can be written as a sum of positive squares in 4 ways, for example, as 40602384 + 289918729 = 6372^2 + 17027^2 .

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 330521113 - 29 = 330520601 is a prime.

It is a super-2 number, since 2×3305211132 = 218488412277517538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330521143) 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, 19531 + ... + 32287.

It is an arithmetic number, because the mean of its divisors is an integer number (44519041).

Almost surely, 2330521113 is an apocalyptic number.

It is an amenable number.

330521113 is a deficient number, since it is larger than the sum of its proper divisors (25631215).

330521113 is a wasteful number, since it uses less digits than its factorization.

330521113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14763.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 330521113 is about 18180.2396298839. The cubic root of 330521113 is about 691.4058803244.

Adding to 330521113 its reverse (311125033), we get a palindrome (641646146).

The spelling of 330521113 in words is "three hundred thirty million, five hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 13 1993 12757 25909 165841 25424701 330521113