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3029780 = 2251343271
BaseRepresentation
bin1011100011101100010100
312200221002002
423203230110
51233423110
6144534432
734516115
oct13435424
95627062
103029780
11178a356
121021418
13821090
1458c20c
153ecaa5
hex2e3b14

3029780 has 48 divisors (see below), whose sum is σ = 7037184. Its totient is φ = 1088640.

The previous prime is 3029779. The next prime is 3029801. The reversal of 3029780 is 879203.

3029780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11045 + ... + 11315.

It is an arithmetic number, because the mean of its divisors is an integer number (146608).

Almost surely, 23029780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3029780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3518592).

3029780 is an abundant number, since it is smaller than the sum of its proper divisors (4007404).

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

3029780 is a wasteful number, since it uses less digits than its factorization.

3029780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3029780 is about 1740.6263240569. The cubic root of 3029780 is about 144.7006109573.

The spelling of 3029780 in words is "three million, twenty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 43 52 65 86 130 172 215 260 271 430 542 559 860 1084 1118 1355 2236 2710 2795 3523 5420 5590 7046 11180 11653 14092 17615 23306 35230 46612 58265 70460 116530 151489 233060 302978 605956 757445 1514890 3029780