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51066474 = 238511079
BaseRepresentation
bin1100001011001…
…1011001101010
310120002110000220
43002303121222
5101033111344
65022310510
71160025564
oct302633152
9116073026
1051066474
1126909aa8
1215128436
13a76c964
146ad4334
15473ac19
hex30b366a

51066474 has 8 divisors (see below), whose sum is σ = 102132960. Its totient is φ = 17022156.

The previous prime is 51066467. The next prime is 51066479. The reversal of 51066474 is 47466015.

51066474 is digitally balanced in base 2, 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.

51066474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51066479) 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, 4255534 + ... + 4255545.

It is an arithmetic number, because the mean of its divisors is an integer number (12766620).

Almost surely, 251066474 is an apocalyptic number.

51066474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51066474 is a wasteful number, since it uses less digits than its factorization.

51066474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511084.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 51066474 is about 7146.0810238899. The cubic root of 51066474 is about 371.0040273415.

The spelling of 51066474 in words is "fifty-one million, sixty-six thousand, four hundred seventy-four".

Divisors: 1 2 3 6 8511079 17022158 25533237 51066474