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51190448 = 245475849
BaseRepresentation
bin1100001101000…
…1101010110000
310120022202002112
43003101222300
5101101043243
65025104452
71161053201
oct303215260
9116282075
1051190448
1126994161
1215188128
13a7b420a
146b275a8
154762818
hex30d1ab0

51190448 has 20 divisors (see below), whose sum is σ = 99379800. Its totient is φ = 25544064.

The previous prime is 51190441. The next prime is 51190453. The reversal of 51190448 is 84409115.

It is not an unprimeable number, because it can be changed into a prime (51190441) 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, 5828 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (4968990).

Almost surely, 251190448 is an apocalyptic number.

It is an amenable number.

51190448 is a deficient number, since it is larger than the sum of its proper divisors (48189352).

51190448 is a wasteful number, since it uses less digits than its factorization.

51190448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 51190448 is about 7154.7500305741. The cubic root of 51190448 is about 371.3040133484.

The spelling of 51190448 in words is "fifty-one million, one hundred ninety thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 547 1094 2188 4376 5849 8752 11698 23396 46792 93584 3199403 6398806 12797612 25595224 51190448