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1320041444 = 22330010361
BaseRepresentation
bin100111010101110…
…0011101111100100
310101222220001102212
41032223203233210
510200412311234
6334553022552
744466111221
oct11653435744
93358801385
101320041444
11618146747
1230a0b4a58
13180634217
14c745a948
157ad4d5ce
hex4eae3be4

1320041444 has 6 divisors (see below), whose sum is σ = 2310072534. Its totient is φ = 660020720.

The previous prime is 1320041441. The next prime is 1320041497. The reversal of 1320041444 is 4441400231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 906732544 + 413308900 = 30112^2 + 20330^2 .

It is not an unprimeable number, because it can be changed into a prime (1320041441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165005177 + ... + 165005184.

It is an arithmetic number, because the mean of its divisors is an integer number (385012089).

Almost surely, 21320041444 is an apocalyptic number.

It is an amenable number.

1320041444 is a deficient number, since it is larger than the sum of its proper divisors (990031090).

1320041444 is a wasteful number, since it uses less digits than its factorization.

1320041444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330010365 (or 330010363 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1320041444 is about 36332.3745989716. The cubic root of 1320041444 is about 1096.9727907867.

Adding to 1320041444 its reverse (4441400231), we get a palindrome (5761441675).

The spelling of 1320041444 in words is "one billion, three hundred twenty million, forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 330010361 660020722 1320041444