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220144411 = 271812341
BaseRepresentation
bin11010001111100…
…10001100011011
3120100020111100201
431013302030123
5422324110121
633502243031
75312124304
oct1507621433
9510214321
10220144411
111032a1833
1261886477
13367bb386
14213477ab
15144d7e91
hexd1f231b

220144411 has 4 divisors (see below), whose sum is σ = 220957024. Its totient is φ = 219331800.

The previous prime is 220144387. The next prime is 220144417. The reversal of 220144411 is 114441022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114441022 = 257220511.

It is a cyclic number.

It is not a de Polignac number, because 220144411 - 27 = 220144283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220144417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405900 + ... + 406441.

It is an arithmetic number, because the mean of its divisors is an integer number (55239256).

Almost surely, 2220144411 is an apocalyptic number.

220144411 is a deficient number, since it is larger than the sum of its proper divisors (812613).

220144411 is an equidigital number, since it uses as much as digits as its factorization.

220144411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812612.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 220144411 is about 14837.2642693995. The cubic root of 220144411 is about 603.8131329517.

Adding to 220144411 its reverse (114441022), we get a palindrome (334585433).

The spelling of 220144411 in words is "two hundred twenty million, one hundred forty-four thousand, four hundred eleven".

Divisors: 1 271 812341 220144411