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1144440234 = 23279082859
BaseRepresentation
bin100010000110110…
…1100010110101010
32221202110120212100
41010031230112222
54320434041414
6305321154230
740234403310
oct10415542652
92852416770
101144440234
11538008983
1227b32b976
13153140592
14abdca0b0
156a713609
hex4436c5aa

1144440234 has 24 divisors (see below), whose sum is σ = 2833852320. Its totient is φ = 326982888.

The previous prime is 1144440211. The next prime is 1144440239. The reversal of 1144440234 is 4320444411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1144440198 and 1144440207.

It is not an unprimeable number, because it can be changed into a prime (1144440239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4541304 + ... + 4541555.

It is an arithmetic number, because the mean of its divisors is an integer number (118077180).

Almost surely, 21144440234 is an apocalyptic number.

1144440234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1144440234 is an abundant number, since it is smaller than the sum of its proper divisors (1689412086).

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

1144440234 is a wasteful number, since it uses less digits than its factorization.

1144440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082874 (or 9082871 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1144440234 is about 33829.5763201374. The cubic root of 1144440234 is about 1045.9984456226.

Adding to 1144440234 its reverse (4320444411), we get a palindrome (5464884645).

The spelling of 1144440234 in words is "one billion, one hundred forty-four million, four hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 9082859 18165718 27248577 54497154 63580013 81745731 127160026 163491462 190740039 381480078 572220117 1144440234