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51096481 = 1811971433
BaseRepresentation
bin1100001011101…
…0101110100001
310120010222012021
43002322232201
5101040041411
65023101441
71160212222
oct302725641
9116128167
1051096481
112692a5a7
1215141881
13a780507
146b01249
154744a71
hex30baba1

51096481 has 8 divisors (see below), whose sum is σ = 51675624. Its totient is φ = 50520960.

The previous prime is 51096469. The next prime is 51096503. The reversal of 51096481 is 18469015.

51096481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14130081 + 36966400 = 3759^2 + 6080^2 .

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 51096481 - 25 = 51096449 is a prime.

It is a super-2 number, since 2×510964812 = 5221700741166722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51096181) 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 7 ways as a sum of consecutive naturals, for example, 34941 + ... + 36373.

It is an arithmetic number, because the mean of its divisors is an integer number (6459453).

Almost surely, 251096481 is an apocalyptic number.

It is an amenable number.

51096481 is a deficient number, since it is larger than the sum of its proper divisors (579143).

51096481 is a wasteful number, since it uses less digits than its factorization.

51096481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 51096481 is about 7148.1802579398. The cubic root of 51096481 is about 371.0766812580.

The spelling of 51096481 in words is "fifty-one million, ninety-six thousand, four hundred eighty-one".

Divisors: 1 181 197 1433 35657 259373 282301 51096481