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4442021141 = 6783798781
BaseRepresentation
bin1000010001100001…
…11101110100010101
3102110120110001110112
410020300331310111
533044124134031
62012435532405
7215035361645
oct41060756425
912416401415
104442021141
11197a450258
12a3b75a105
1355a38679c
14301d36525
151aee8962b
hex108c3dd15

4442021141 has 8 divisors (see below), whose sum is σ = 4562642784. Its totient is φ = 4322997360.

The previous prime is 4442021123. The next prime is 4442021149. The reversal of 4442021141 is 1411202444.

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 4442021141 - 214 = 4442004757 is a prime.

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 (4442021149) 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, 393830 + ... + 404951.

It is an arithmetic number, because the mean of its divisors is an integer number (570330348).

Almost surely, 24442021141 is an apocalyptic number.

It is an amenable number.

4442021141 is a deficient number, since it is larger than the sum of its proper divisors (120621643).

4442021141 is an equidigital number, since it uses as much as digits as its factorization.

4442021141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798931.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4442021141 is about 66648.4894127391. The cubic root of 4442021141 is about 1643.8425095501.

Adding to 4442021141 its reverse (1411202444), we get a palindrome (5853223585).

The spelling of 4442021141 in words is "four billion, four hundred forty-two million, twenty-one thousand, one hundred forty-one".

Divisors: 1 67 83 5561 798781 53518327 66298823 4442021141