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51088105 = 578712983
BaseRepresentation
bin1100001011100…
…0101011101001
310120010112201001
43002320223221
5101034304410
65022555001
71160145625
oct302705351
9116115631
1051088105
1126924282
1215138a61
13a779763
146adc185
15474233a
hex30b8ae9

51088105 has 8 divisors (see below), whose sum is σ = 61388352. Its totient is φ = 40815408.

The previous prime is 51088097. The next prime is 51088109. The reversal of 51088105 is 50188015.

51088105 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.

It is a cyclic number.

It is not a de Polignac number, because 51088105 - 23 = 51088097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51088109) 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, 2557 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (7673544).

Almost surely, 251088105 is an apocalyptic number.

It is an amenable number.

51088105 is a deficient number, since it is larger than the sum of its proper divisors (10300247).

51088105 is a wasteful number, since it uses less digits than its factorization.

51088105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 51088105 is about 7147.5943505490. The cubic root of 51088105 is about 371.0564038790.

The spelling of 51088105 in words is "fifty-one million, eighty-eight thousand, one hundred five".

Divisors: 1 5 787 3935 12983 64915 10217621 51088105