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330144430 = 25711428759
BaseRepresentation
bin10011101011011…
…001101010101110
3212000020002000111
4103223121222232
51134004110210
652432050234
711116116130
oct2353315256
9760202014
10330144430
1115a3a3440
129269397a
1353523745
1431bbd050
151deb588a
hex13ad9aae

330144430 has 32 divisors (see below), whose sum is σ = 740897280. Its totient is φ = 102901920.

The previous prime is 330144413. The next prime is 330144431. The reversal of 330144430 is 34441033.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330144431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213610 + ... + 215149.

It is an arithmetic number, because the mean of its divisors is an integer number (23153040).

Almost surely, 2330144430 is an apocalyptic number.

330144430 is an abundant number, since it is smaller than the sum of its proper divisors (410752850).

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

330144430 is a wasteful number, since it uses less digits than its factorization.

330144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428784.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 330144430 is about 18169.8769946304. The cubic root of 330144430 is about 691.1431236935.

Adding to 330144430 its reverse (34441033), we get a palindrome (364585463).

The spelling of 330144430 in words is "three hundred thirty million, one hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 428759 857518 2143795 3001313 4287590 4716349 6002626 9432698 15006565 23581745 30013130 33014443 47163490 66028886 165072215 330144430