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4445885392 = 241319259209
BaseRepresentation
bin1000010001111111…
…01101001111010000
3102110211201101012221
410020333231033100
533101121313032
62013054430424
7215113254664
oct41077551720
912424641187
104445885392
11198164a553
12a40b02414
1355b10a620
143026608a4
151b049e597
hex108fed3d0

4445885392 has 60 divisors (see below), whose sum is σ = 9790610340. Its totient is φ = 1943917056.

The previous prime is 4445885377. The next prime is 4445885401. The reversal of 4445885392 is 2935885444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1525996096 + 2919889296 = 39064^2 + 54036^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45484 + ... + 104692.

It is an arithmetic number, because the mean of its divisors is an integer number (163176839).

Almost surely, 24445885392 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 4445885392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4895305170).

4445885392 is an abundant number, since it is smaller than the sum of its proper divisors (5344724948).

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

4445885392 is a wasteful number, since it uses less digits than its factorization.

4445885392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59268 (or 59243 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The square root of 4445885392 is about 66677.4728975236. The cubic root of 4445885392 is about 1644.3190478009.

Adding to 4445885392 its sum of digits (52), we get a palindrome (4445885444).

The spelling of 4445885392 in words is "four billion, four hundred forty-five million, eight hundred eighty-five thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 361 494 722 988 1444 1976 2888 3952 4693 5776 9386 18772 37544 59209 75088 118418 236836 473672 769717 947344 1124971 1539434 2249942 3078868 4499884 6157736 8999768 12315472 14624623 17999536 21374449 29249246 42748898 58498492 85497796 116996984 170995592 233993968 277867837 341991184 555735674 1111471348 2222942696 4445885392