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51944483 = 156733149
BaseRepresentation
bin1100011000100…
…1110000100011
310121202001102202
43012021300203
5101244210413
65053203415
71200343433
oct306116043
9117661382
1051944483
1127359728
121549056b
13a9b94a6
146c822c3
154860e58
hex3189c23

51944483 has 4 divisors (see below), whose sum is σ = 51979200. Its totient is φ = 51909768.

The previous prime is 51944393. The next prime is 51944491. The reversal of 51944483 is 38444915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38444915 = 57688983.

It is a cyclic number.

It is not a de Polignac number, because 51944483 - 210 = 51943459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51944383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15008 + ... + 18141.

It is an arithmetic number, because the mean of its divisors is an integer number (12994800).

Almost surely, 251944483 is an apocalyptic number.

51944483 is a deficient number, since it is larger than the sum of its proper divisors (34717).

51944483 is a wasteful number, since it uses less digits than its factorization.

51944483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34716.

The product of its digits is 69120, while the sum is 38.

The square root of 51944483 is about 7207.2521115887. The cubic root of 51944483 is about 373.1182364446.

The spelling of 51944483 in words is "fifty-one million, nine hundred forty-four thousand, four hundred eighty-three".

Divisors: 1 1567 33149 51944483