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330140442 = 231728311437
BaseRepresentation
bin10011101011011…
…000101100011010
3212000012212112210
4103223120230122
51134003443232
652432015550
711116101402
oct2353305432
9760185483
10330140442
1115a3a0445
12926915b6
1353521998
1431bbb802
151deb45cc
hex13ad8b1a

330140442 has 32 divisors (see below), whose sum is σ = 701652672. Its totient is φ = 103198464.

The previous prime is 330140431. The next prime is 330140449. The reversal of 330140442 is 244041033.

It is a super-2 number, since 2×3301404422 = 217985422887910728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330140449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23148 + ... + 34584.

It is an arithmetic number, because the mean of its divisors is an integer number (21926646).

Almost surely, 2330140442 is an apocalyptic number.

330140442 is an abundant number, since it is smaller than the sum of its proper divisors (371512230).

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

330140442 is a wasteful number, since it uses less digits than its factorization.

330140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 330140442 is about 18169.7672522242. The cubic root of 330140442 is about 691.1403407803.

Adding to 330140442 its reverse (244041033), we get a palindrome (574181475).

The spelling of 330140442 in words is "three hundred thirty million, one hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 283 566 849 1698 4811 9622 11437 14433 22874 28866 34311 68622 194429 388858 583287 1166574 3236671 6473342 9710013 19420026 55023407 110046814 165070221 330140442