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1204424240 = 24515055303
BaseRepresentation
bin100011111001010…
…0000111000110000
310002221100002110012
41013302200320300
54431313033430
6315302554052
741563302635
oct10762407060
93087302405
101204424240
11568958838
12297438928
131626b3186
14b5d6218c
1570b11695
hex47ca0e30

1204424240 has 20 divisors (see below), whose sum is σ = 2800286544. Its totient is φ = 481769664.

The previous prime is 1204424203. The next prime is 1204424261. The reversal of 1204424240 is 424244021.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7527572 + ... + 7527731.

Almost surely, 21204424240 is an apocalyptic number.

1204424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204424240 is an abundant number, since it is smaller than the sum of its proper divisors (1595862304).

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

1204424240 is a wasteful number, since it uses less digits than its factorization.

1204424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15055316 (or 15055310 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1204424240 is about 34704.8158041503. The cubic root of 1204424240 is about 1063.9629276472.

Adding to 1204424240 its reverse (424244021), we get a palindrome (1628668261).

The spelling of 1204424240 in words is "one billion, two hundred four million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 15055303 30110606 60221212 75276515 120442424 150553030 240884848 301106060 602212120 1204424240