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1442408 = 231137443
BaseRepresentation
bin101100000001001101000
32201021121112
411200021220
5332124113
650525452
715155162
oct5401150
92637545
101442408
118a5780
12596888
133b66c6
14297932
151d75a8
hex160268

1442408 has 32 divisors (see below), whose sum is σ = 3036960. Its totient is φ = 636480.

The previous prime is 1442393. The next prime is 1442411. The reversal of 1442408 is 8042441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (94905).

21442408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518480).

1442408 is an abundant number, since it is smaller than the sum of its proper divisors (1594552).

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

1442408 is a wasteful number, since it uses less digits than its factorization.

1442408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1442408 is about 1201.0029142346. The cubic root of 1442408 is about 112.9872332667.

Adding to 1442408 its reverse (8042441), we get a palindrome (9484849).

It can be divided in two parts, 144 and 2408, that added together give a palindrome (2552).

The spelling of 1442408 in words is "one million, four hundred forty-two thousand, four hundred eight".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 443 814 886 1628 1772 3256 3544 4873 9746 16391 19492 32782 38984 65564 131128 180301 360602 721204 1442408