Search a number
-
+
2021224050 = 2335212711789
BaseRepresentation
bin111100001111001…
…0110111001110010
312012212021211011000
41320132112321302
513114413132200
6532321502430
7101042056326
oct17036267162
95185254130
102021224050
11947a235aa
12484aa1a16
13262998981
14152621986
15bc6a6300
hex78796e72

2021224050 has 96 divisors (see below), whose sum is σ = 5613926400. Its totient is φ = 534703680.

The previous prime is 2021224043. The next prime is 2021224057. The reversal of 2021224050 is 504221202.

It is an interprime number because it is at equal distance from previous prime (2021224043) and next prime (2021224057).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2021224057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165556 + ... + 177344.

It is an arithmetic number, because the mean of its divisors is an integer number (58478400).

Almost surely, 22021224050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021224050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806963200).

2021224050 is an abundant number, since it is smaller than the sum of its proper divisors (3592702350).

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

2021224050 is a wasteful number, since it uses less digits than its factorization.

2021224050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937 (or 11926 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2021224050 is about 44958.0254237216. The cubic root of 2021224050 is about 1264.3621482907.

Adding to 2021224050 its reverse (504221202), we get a palindrome (2525445252).

The spelling of 2021224050 in words is "two billion, twenty-one million, two hundred twenty-four thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 127 135 150 225 254 270 381 450 635 675 762 1143 1270 1350 1905 2286 3175 3429 3810 5715 6350 6858 9525 11430 11789 17145 19050 23578 28575 34290 35367 57150 58945 70734 85725 106101 117890 171450 176835 212202 294725 318303 353670 530505 589450 636606 884175 1061010 1497203 1591515 1768350 2652525 2994406 3183030 4491609 5305050 7486015 7957575 8983218 13474827 14972030 15915150 22458045 26949654 37430075 40424481 44916090 67374135 74860150 80848962 112290225 134748270 202122405 224580450 336870675 404244810 673741350 1010612025 2021224050