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48688085 = 517572801
BaseRepresentation
bin1011100110111…
…0101111010101
310101121121111102
42321232233111
544431004320
64455315445
71130561525
oct271565725
9111547442
1048688085
1125535096
121437bb85
13a119224
146675685
15441b175
hex2e6ebd5

48688085 has 8 divisors (see below), whose sum is σ = 61862616. Its totient is φ = 36659200.

The previous prime is 48688067. The next prime is 48688093. The reversal of 48688085 is 58088684.

It can be written as a sum of positive squares in 4 ways, for example, as 2093809 + 46594276 = 1447^2 + 6826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48688085 - 26 = 48688021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286316 + ... + 286485.

It is an arithmetic number, because the mean of its divisors is an integer number (7732827).

Almost surely, 248688085 is an apocalyptic number.

It is an amenable number.

48688085 is a deficient number, since it is larger than the sum of its proper divisors (13174531).

48688085 is a wasteful number, since it uses less digits than its factorization.

48688085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572823.

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 48688085 is about 6977.6847879508. The cubic root of 48688085 is about 365.1524602343.

The spelling of 48688085 in words is "forty-eight million, six hundred eighty-eight thousand, eighty-five".

Divisors: 1 5 17 85 572801 2864005 9737617 48688085