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1143404024 = 23723139319
BaseRepresentation
bin100010000100110…
…1111010111111000
32221200111221110012
41010021233113320
54320202412044
6305243041052
740222526300
oct10411572770
92850457405
101143404024
11537470404
1227ab10188
13152b69a39
14abbda600
156a5ab59e
hex4426f5f8

1143404024 has 48 divisors (see below), whose sum is σ = 2502140400. Its totient is φ = 488412288.

The previous prime is 1143403999. The next prime is 1143404027. The reversal of 1143404024 is 4204043411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143404027) 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, 118037 + ... + 127355.

It is an arithmetic number, because the mean of its divisors is an integer number (52127925).

Almost surely, 21143404024 is an apocalyptic number.

1143404024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143404024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251070200).

1143404024 is an abundant number, since it is smaller than the sum of its proper divisors (1358736376).

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

1143404024 is a wasteful number, since it uses less digits than its factorization.

1143404024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652 (or 9641 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1143404024 is about 33814.2577029276. The cubic root of 1143404024 is about 1045.6826576634.

Adding to 1143404024 its reverse (4204043411), we get a palindrome (5347447435).

The spelling of 1143404024 in words is "one billion, one hundred forty-three million, four hundred four thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 313 392 626 1252 2191 2504 4382 8764 9319 15337 17528 18638 30674 37276 61348 65233 74552 122696 130466 260932 456631 521864 913262 1826524 2916847 3653048 5833694 11667388 20417929 23334776 40835858 81671716 142925503 163343432 285851006 571702012 1143404024