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4440003131 = 28315689057
BaseRepresentation
bin1000010001010010…
…10001001000111011
3102110102122112021102
410020221101020323
533043120100011
62012324402015
7215012255354
oct41051211073
912412575242
104440003131
1119792a2083
12a3ab4630b
13559b2b0b5
1430196cd2b
151aebdb73b
hex108a5123b

4440003131 has 4 divisors (see below), whose sum is σ = 4455692472. Its totient is φ = 4424313792.

The previous prime is 4440003121. The next prime is 4440003133. The reversal of 4440003131 is 1313000444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4440003131 is a prime.

It is a super-2 number, since 2×44400031312 = 39427255606579606322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4440003133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7844246 + ... + 7844811.

It is an arithmetic number, because the mean of its divisors is an integer number (1113923118).

Almost surely, 24440003131 is an apocalyptic number.

4440003131 is a deficient number, since it is larger than the sum of its proper divisors (15689341).

4440003131 is a wasteful number, since it uses less digits than its factorization.

4440003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15689340.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4440003131 is about 66633.3484900766. The cubic root of 4440003131 is about 1643.5935393184.

Adding to 4440003131 its reverse (1313000444), we get a palindrome (5753003575).

The spelling of 4440003131 in words is "four billion, four hundred forty million, three thousand, one hundred thirty-one".

Divisors: 1 283 15689057 4440003131