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51449483 = 163439719
BaseRepresentation
bin1100010001000…
…0111010001011
310120210220102102
43010100322023
5101132340413
65034424015
71163212331
oct304207213
9116726372
1051449483
1127050838
121529200b
13a8750a7
146b93b51
1547b4458
hex3110e8b

51449483 has 8 divisors (see below), whose sum is σ = 51955200. Its totient is φ = 50946408.

The previous prime is 51449477. The next prime is 51449507. The reversal of 51449483 is 38494415.

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 51449483 - 24 = 51449467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51448483) 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 7 ways as a sum of consecutive naturals, for example, 71198 + ... + 71916.

It is an arithmetic number, because the mean of its divisors is an integer number (6494400).

Almost surely, 251449483 is an apocalyptic number.

51449483 is a deficient number, since it is larger than the sum of its proper divisors (505717).

51449483 is a wasteful number, since it uses less digits than its factorization.

51449483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

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

The square root of 51449483 is about 7172.8294974856. The cubic root of 51449483 is about 371.9292534173.

The spelling of 51449483 in words is "fifty-one million, four hundred forty-nine thousand, four hundred eighty-three".

Divisors: 1 163 439 719 71557 117197 315641 51449483