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1144424211 = 3789612319
BaseRepresentation
bin100010000110110…
…1000011100010011
32221202102202212220
41010031220130103
54320433033321
6305320552123
740234305510
oct10415503423
92852382786
101144424211
11537aa7937
1227b322643
131531361b8
14abdc4307
156a70d9c6
hex44368713

1144424211 has 16 divisors (see below), whose sum is σ = 1763481600. Its totient is φ = 646607808.

The previous prime is 1144424201. The next prime is 1144424219. The reversal of 1144424211 is 1124244411.

It is not a de Polignac number, because 1144424211 - 219 = 1143899923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144424219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304291 + ... + 308028.

It is an arithmetic number, because the mean of its divisors is an integer number (110217600).

Almost surely, 21144424211 is an apocalyptic number.

1144424211 is a deficient number, since it is larger than the sum of its proper divisors (619057389).

1144424211 is an equidigital number, since it uses as much as digits as its factorization.

1144424211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612418.

The product of its digits is 1024, while the sum is 24.

The square root of 1144424211 is about 33829.3394999075. The cubic root of 1144424211 is about 1045.9935640188.

Adding to 1144424211 its reverse (1124244411), we get a palindrome (2268668622).

The spelling of 1144424211 in words is "one billion, one hundred forty-four million, four hundred twenty-four thousand, two hundred eleven".

Divisors: 1 3 7 21 89 267 623 1869 612319 1836957 4286233 12858699 54496391 163489173 381474737 1144424211