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2221050242 = 2311311511811
BaseRepresentation
bin1000010001100010…
…1000100110000010
312201210022001011002
42010120220212002
514022042101432
61004220452002
7106016421065
oct20430504602
95653261132
102221050242
11a3a7a7a14
1251b9aa002
132951c1b18
14170d9a8dc
15ceec8e62
hex84628982

2221050242 has 32 divisors (see below), whose sum is σ = 3490172928. Its totient is φ = 1058850000.

The previous prime is 2221050241. The next prime is 2221050313. The reversal of 2221050242 is 2420501222.

It is not an unprimeable number, because it can be changed into a prime (2221050241) 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, 1225517 + ... + 1227327.

It is an arithmetic number, because the mean of its divisors is an integer number (109067904).

Almost surely, 22221050242 is an apocalyptic number.

2221050242 is a deficient number, since it is larger than the sum of its proper divisors (1269122686).

2221050242 is a wasteful number, since it uses less digits than its factorization.

2221050242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2221050242 is about 47128.0197122688. The cubic root of 2221050242 is about 1304.7264326763.

Adding to 2221050242 its reverse (2420501222), we get a palindrome (4641551464).

The spelling of 2221050242 in words is "two billion, two hundred twenty-one million, fifty thousand, two hundred forty-two".

Divisors: 1 2 31 62 131 151 262 302 1811 3622 4061 4681 8122 9362 19781 39562 56141 112282 237241 273461 474482 546922 613211 1226422 7354471 8477291 14708942 16954582 35823391 71646782 1110525121 2221050242