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2331424220 = 225322136191
BaseRepresentation
bin1000101011110110…
…1011010111011100
320000110222121210012
42022331223113130
514233321033340
61023202302352
7111526531106
oct21275532734
96013877705
102331424220
11a97034584
125509579b8
132b2028478
141818cc576
15d9a2c565
hex8af6b5dc

2331424220 has 24 divisors (see below), whose sum is σ = 4897646208. Its totient is φ = 932254400.

The previous prime is 2331424213. The next prime is 2331424229. The reversal of 2331424220 is 224241332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331424229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46325 + ... + 82515.

It is an arithmetic number, because the mean of its divisors is an integer number (204068592).

Almost surely, 22331424220 is an apocalyptic number.

2331424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331424220 is an abundant number, since it is smaller than the sum of its proper divisors (2566221988).

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

2331424220 is a wasteful number, since it uses less digits than its factorization.

2331424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39421 (or 39419 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2331424220 is about 48284.8239097959. The cubic root of 2331424220 is about 1325.9905672083.

Adding to 2331424220 its reverse (224241332), we get a palindrome (2555665552).

The spelling of 2331424220 in words is "two billion, three hundred thirty-one million, four hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3221 6442 12884 16105 32210 36191 64420 72382 144764 180955 361910 723820 116571211 233142422 466284844 582856055 1165712110 2331424220