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1442424 = 23360101
BaseRepresentation
bin101100000001001111000
32201021122010
411200021320
5332124144
650525520
715155214
oct5401170
92637563
101442424
118a5795
125968a0
133b6709
14297944
151d75b9
hex160278

1442424 has 16 divisors (see below), whose sum is σ = 3606120. Its totient is φ = 480800.

The previous prime is 1442411. The next prime is 1442429. The reversal of 1442424 is 4242441.

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

1442424 is a modest number, since divided by 2424 gives 144 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1442424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30027 + ... + 30074.

21442424 is an apocalyptic number.

It is an amenable number.

1442424 is an abundant number, since it is smaller than the sum of its proper divisors (2163696).

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

1442424 is a wasteful number, since it uses less digits than its factorization.

1442424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110 (or 60106 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 1442424 is about 1201.0095753157. The cubic root of 1442424 is about 112.9876510378.

Adding to 1442424 its reverse (4242441), we get a palindrome (5684865).

The spelling of 1442424 in words is "one million, four hundred forty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 60101 120202 180303 240404 360606 480808 721212 1442424