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5444576381 = 37337436649
BaseRepresentation
bin1010001001000010…
…11010010001111101
3112001102221010201002
411010201122101331
542122302421011
62300132100045
7251631064346
oct50441322175
915042833632
105444576381
112344359902
12107b464625
13689ca9a3a
1439914b0cd
1521cec2c3b
hex14485a47d

5444576381 has 8 divisors (see below), whose sum is σ = 5608332600. Its totient is φ = 5281694208.

The previous prime is 5444576363. The next prime is 5444576387. The reversal of 5444576381 is 1836754445.

It can be written as a sum of positive squares in 4 ways, for example, as 146192281 + 5298384100 = 12091^2 + 72790^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5444576381 - 26 = 5444576317 is a prime.

It is a super-2 number, since 2×54445763812 = 59286823937086114322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444576387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205856 + ... + 230793.

It is an arithmetic number, because the mean of its divisors is an integer number (701041575).

Almost surely, 25444576381 is an apocalyptic number.

It is an amenable number.

5444576381 is a deficient number, since it is larger than the sum of its proper divisors (163756219).

5444576381 is a wasteful number, since it uses less digits than its factorization.

5444576381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437023.

The product of its digits is 1612800, while the sum is 47.

The square root of 5444576381 is about 73787.3727747506. The cubic root of 5444576381 is about 1759.2249063144.

The spelling of 5444576381 in words is "five billion, four hundred forty-four million, five hundred seventy-six thousand, three hundred eighty-one".

Divisors: 1 37 337 12469 436649 16156013 147150713 5444576381