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50686672 = 243167917
BaseRepresentation
bin1100000101011…
…0101011010000
310112101011001011
43001112223100
5100433433142
65010220304
71153554361
oct301265320
9115334034
1050686672
112667a713
1214b84694
13a668b1a
146a35b68
1546b3417
hex3056ad0

50686672 has 10 divisors (see below), whose sum is σ = 98205458. Its totient is φ = 25343328.

The previous prime is 50686667. The next prime is 50686679. The reversal of 50686672 is 27668605.

It can be written as a sum of positive squares in only one way, i.e., 27415696 + 23270976 = 5236^2 + 4824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50686679) 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 as a sum of consecutive naturals, namely, 1583943 + ... + 1583974.

Almost surely, 250686672 is an apocalyptic number.

It is an amenable number.

50686672 is a deficient number, since it is larger than the sum of its proper divisors (47518786).

50686672 is a wasteful number, since it uses less digits than its factorization.

50686672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167925 (or 3167919 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 50686672 is about 7119.4572826867. The cubic root of 50686672 is about 370.0819686913.

It can be divided in two parts, 506 and 86672, that added together give a palindrome (87178).

The spelling of 50686672 in words is "fifty million, six hundred eighty-six thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 3167917 6335834 12671668 25343336 50686672