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1442328 = 233193163
BaseRepresentation
bin101100000001000011000
32201021111120
411200020120
5332123303
650525240
715155016
oct5401030
92637446
101442328
118a5708
12596820
133b6664
142978b6
151d7553
hex160218

1442328 has 32 divisors (see below), whose sum is σ = 3796800. Its totient is φ = 455328.

The previous prime is 1442327. The next prime is 1442333. The reversal of 1442328 is 8232441.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 1442298 and 1442307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126 + ... + 2037.

It is an arithmetic number, because the mean of its divisors is an integer number (118650).

21442328 is an apocalyptic number.

It is an amenable number.

1442328 is an abundant number, since it is smaller than the sum of its proper divisors (2354472).

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

1442328 is a wasteful number, since it uses less digits than its factorization.

1442328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3187 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1442328 is about 1200.9696082749. The cubic root of 1442328 is about 112.9851443650.

Adding to 1442328 its reverse (8232441), we get a palindrome (9674769).

It can be divided in two parts, 1442 and 328, that added together give a triangular number (1770 = T59).

The spelling of 1442328 in words is "one million, four hundred forty-two thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 3163 6326 9489 12652 18978 25304 37956 60097 75912 120194 180291 240388 360582 480776 721164 1442328