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1423144424 = 231397141073
BaseRepresentation
bin101010011010011…
…0111010111101000
310200011220020010202
41110310313113220
510403311110144
6353114531332
750160346052
oct12464672750
93604806122
101423144424
11670367519
12338736b48
13198ac31c0
14d70188d2
1584e1764e
hex54d375e8

1423144424 has 32 divisors (see below), whose sum is σ = 2903302920. Its totient is φ = 650059776.

The previous prime is 1423144423. The next prime is 1423144427. The reversal of 1423144424 is 4244413241.

It can be written as a sum of positive squares in 4 ways, for example, as 790621924 + 632522500 = 28118^2 + 25150^2 .

It is not an unprimeable number, because it can be changed into a prime (1423144423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60449 + ... + 80624.

Almost surely, 21423144424 is an apocalyptic number.

It is an amenable number.

1423144424 is an abundant number, since it is smaller than the sum of its proper divisors (1480158496).

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

1423144424 is a wasteful number, since it uses less digits than its factorization.

1423144424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141189 (or 141185 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1423144424 is about 37724.5864655930. The cubic root of 1423144424 is about 1124.8199017709.

Adding to 1423144424 its reverse (4244413241), we get a palindrome (5667557665).

The spelling of 1423144424 in words is "one billion, four hundred twenty-three million, one hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 10088 141073 282146 564292 1128584 1833949 3667898 7335796 13684081 14671592 27368162 54736324 109472648 177893053 355786106 711572212 1423144424