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2330220 = 223571547
BaseRepresentation
bin1000111000111001101100
311101101110110
420320321230
51044031340
6121540020
725543434
oct10707154
94341413
102330220
111351802
12944610
13637839
144492c4
15310680
hex238e6c

2330220 has 48 divisors (see below), whose sum is σ = 6628608. Its totient is φ = 611520.

The previous prime is 2330203. The next prime is 2330221. The reversal of 2330220 is 220332.

2330220 = 1452 + 1462 + ... + 2152.

2330220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2330196 and 2330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330221) by changing a digit.

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, 3987 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (138096).

22330220 is an apocalyptic number.

2330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3314304).

2330220 is an abundant number, since it is smaller than the sum of its proper divisors (4298388).

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

2330220 is a wasteful number, since it uses less digits than its factorization.

2330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2330220 is about 1526.5058139424. The cubic root of 2330220 is about 132.5762229047.

Adding to 2330220 its reverse (220332), we get a palindrome (2550552).

The spelling of 2330220 in words is "two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 547 710 852 1065 1094 1420 1641 2130 2188 2735 3282 4260 5470 6564 8205 10940 16410 32820 38837 77674 116511 155348 194185 233022 388370 466044 582555 776740 1165110 2330220