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4491491983 = 11739552527
BaseRepresentation
bin1000010111011011…
…01011101010001111
3102121000112102200221
410023231223222033
533144310220413
62021404132211
7216206023546
oct41355535217
912530472627
104491491983
1119a536a450
12a54237067
135676b8084
1430873315d
151b44ac68d
hex10bb6ba8f

4491491983 has 8 divisors (see below), whose sum is σ = 4906448640. Its totient is φ = 4077641880.

The previous prime is 4491491929. The next prime is 4491491993. The reversal of 4491491983 is 3891941944.

4491491983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4491491983 - 29 = 4491491471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4491491983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491491923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268135 + ... + 284392.

It is an arithmetic number, because the mean of its divisors is an integer number (613306080).

Almost surely, 24491491983 is an apocalyptic number.

4491491983 is a deficient number, since it is larger than the sum of its proper divisors (414956657).

4491491983 is a wasteful number, since it uses less digits than its factorization.

4491491983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553277.

The product of its digits is 1119744, while the sum is 52.

The square root of 4491491983 is about 67018.5943078486. The cubic root of 4491491983 is about 1649.9224919820.

The spelling of 4491491983 in words is "four billion, four hundred ninety-one million, four hundred ninety-one thousand, nine hundred eighty-three".

Divisors: 1 11 739 8129 552527 6077797 408317453 4491491983