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1442052 = 223241977
BaseRepresentation
bin101100000000100000100
32201021010100
411200010010
5332121202
650524100
715154143
oct5400404
92637110
101442052
118a5487
12596630
133b64b1
1429775a
151d741c
hex160104

1442052 has 36 divisors (see below), whose sum is σ = 3737916. Its totient is φ = 468480.

The previous prime is 1442017. The next prime is 1442053. The reversal of 1442052 is 2502441.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 746496 = 834^2 + 864^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1442053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 988 + ... + 1964.

It is an arithmetic number, because the mean of its divisors is an integer number (103831).

21442052 is an apocalyptic number.

1442052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868958).

1442052 is an abundant number, since it is smaller than the sum of its proper divisors (2295864).

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

1442052 is a wasteful number, since it uses less digits than its factorization.

1442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1442052 is about 1200.8546956231. The cubic root of 1442052 is about 112.9779370610.

Adding to 1442052 its reverse (2502441), we get a palindrome (3944493).

The spelling of 1442052 in words is "one million, four hundred forty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 123 164 246 369 492 738 977 1476 1954 2931 3908 5862 8793 11724 17586 35172 40057 80114 120171 160228 240342 360513 480684 721026 1442052