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1442442424 = 23237839361
BaseRepresentation
bin101010111111001…
…1110110010111000
310201112012200000111
41111332132302320
510423231124144
6355044314104
750513362333
oct12576366270
93645180014
101442442424
11680248385
123430a2934
1319cabbc37
14d97dd61a
158697a534
hex55f9ecb8

1442442424 has 16 divisors (see below), whose sum is σ = 2822170320. Its totient is φ = 689863680.

The previous prime is 1442442413. The next prime is 1442442427. The reversal of 1442442424 is 4242442441.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442442427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3919497 + ... + 3919864.

It is an arithmetic number, because the mean of its divisors is an integer number (176385645).

Almost surely, 21442442424 is an apocalyptic number.

It is an amenable number.

1442442424 is a deficient number, since it is larger than the sum of its proper divisors (1379727896).

1442442424 is a wasteful number, since it uses less digits than its factorization.

1442442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839390 (or 7839386 counting only the distinct ones).

The product of its digits is 32768, while the sum is 31.

The square root of 1442442424 is about 37979.5000493687. The cubic root of 1442442424 is about 1129.8813209738.

Adding to 1442442424 its reverse (4242442441), we get a palindrome (5684884865).

The spelling of 1442442424 in words is "one billion, four hundred forty-two million, four hundred forty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 23 46 92 184 7839361 15678722 31357444 62714888 180305303 360610606 721221212 1442442424