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1442032144 = 24712875287
BaseRepresentation
bin101010111110011…
…1010101000010000
310201111102211012221
41111330322220100
510423130012034
6355031430424
750510033230
oct12574725020
93644384187
101442032144
1167aa98103
12342b25414
1319c9a7277
14d9733cc0
15868e8bb4
hex55f3aa10

1442032144 has 20 divisors (see below), whose sum is σ = 3193071424. Its totient is φ = 618013728.

The previous prime is 1442032103. The next prime is 1442032153. The reversal of 1442032144 is 4412302441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6437532 + ... + 6437755.

Almost surely, 21442032144 is an apocalyptic number.

1442032144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442032144 is an abundant number, since it is smaller than the sum of its proper divisors (1751039280).

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

1442032144 is a wasteful number, since it uses less digits than its factorization.

1442032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12875302 (or 12875296 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1442032144 is about 37974.0983303093. The cubic root of 1442032144 is about 1129.7741851744.

Adding to 1442032144 its reverse (4412302441), we get a palindrome (5854334585).

It can be divided in two parts, 14420 and 32144, that added together give a palindrome (46564).

The spelling of 1442032144 in words is "one billion, four hundred forty-two million, thirty-two thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 12875287 25750574 51501148 90127009 103002296 180254018 206004592 360508036 721016072 1442032144