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444131245 = 51135411453
BaseRepresentation
bin11010011110001…
…110011110101101
31010221201012112101
4122132032132231
51402144144440
6112023135101
714002024165
oct3236163655
91127635471
10444131245
11208778418
121048a4491
137102366c
1442db15a5
1528ece69a
hex1a78e7ad

444131245 has 16 divisors (see below), whose sum is σ = 539038512. Its totient is φ = 351267840.

The previous prime is 444131231. The next prime is 444131249. The reversal of 444131245 is 542131444.

It can be written as a sum of positive squares in 8 ways, for example, as 8031556 + 436099689 = 2834^2 + 20883^2 .

It is not a de Polignac number, because 444131245 - 29 = 444130733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444131249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304939 + ... + 306391.

It is an arithmetic number, because the mean of its divisors is an integer number (33689907).

Almost surely, 2444131245 is an apocalyptic number.

It is an amenable number.

444131245 is a deficient number, since it is larger than the sum of its proper divisors (94907267).

444131245 is a wasteful number, since it uses less digits than its factorization.

444131245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its digits is 7680, while the sum is 28.

The square root of 444131245 is about 21074.4215816235. The cubic root of 444131245 is about 762.9635243114.

Adding to 444131245 its reverse (542131444), we get a palindrome (986262689).

The spelling of 444131245 in words is "four hundred forty-four million, one hundred thirty-one thousand, two hundred forty-five".

Divisors: 1 5 113 541 565 1453 2705 7265 61133 164189 305665 786073 820945 3930365 88826249 444131245