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330031212 = 22375374131
BaseRepresentation
bin10011101010111…
…110000001101100
3212000000022201020
4103222332001230
51133441444322
652425414140
711115135060
oct2352760154
9760008636
10330031212
1115a326375
129263a350
13534b4054
1431b8daa0
151de9205c
hex13abe06c

330031212 has 48 divisors (see below), whose sum is σ = 896700672. Its totient is φ = 92514240.

The previous prime is 330031211. The next prime is 330031249. The reversal of 330031212 is 212130033.

It is a junction number, because it is equal to n+sod(n) for n = 330031191 and 330031200.

It is not an unprimeable number, because it can be changed into a prime (330031211) 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, 32614 + ... + 41517.

It is an arithmetic number, because the mean of its divisors is an integer number (18681264).

Almost surely, 2330031212 is an apocalyptic number.

It is an amenable number.

330031212 is an abundant number, since it is smaller than the sum of its proper divisors (566669460).

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

330031212 is a wasteful number, since it uses less digits than its factorization.

330031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74198 (or 74196 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 330031212 is about 18166.7611862985. The cubic root of 330031212 is about 691.0641089941.

Adding to 330031212 its reverse (212130033), we get a palindrome (542161245).

The spelling of 330031212 in words is "three hundred thirty million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 53 84 106 159 212 318 371 636 742 1113 1484 2226 4452 74131 148262 222393 296524 444786 518917 889572 1037834 1556751 2075668 3113502 3928943 6227004 7857886 11786829 15715772 23573658 27502601 47147316 55005202 82507803 110010404 165015606 330031212