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48638273 = 269318061
BaseRepresentation
bin1011100110001…
…0100101000001
310101112002011112
42321202211001
544422411043
64454253105
71130263355
oct271424501
9111462145
1048638273
1125500722
1214357195
13a0cc658
146661465
15440b518
hex2e62941

48638273 has 4 divisors (see below), whose sum is σ = 48659028. Its totient is φ = 48617520.

The previous prime is 48638269. The next prime is 48638281. The reversal of 48638273 is 37283684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30217009 + 18421264 = 5497^2 + 4292^2 .

It is a cyclic number.

It is not a de Polignac number, because 48638273 - 22 = 48638269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48638273.

It is not an unprimeable number, because it can be changed into a prime (48638573) 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, 6338 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (12164757).

Almost surely, 248638273 is an apocalyptic number.

It is an amenable number.

48638273 is a deficient number, since it is larger than the sum of its proper divisors (20755).

48638273 is a wasteful number, since it uses less digits than its factorization.

48638273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20754.

The product of its digits is 193536, while the sum is 41.

The square root of 48638273 is about 6974.1144957622. The cubic root of 48638273 is about 365.0278905316.

The spelling of 48638273 in words is "forty-eight million, six hundred thirty-eight thousand, two hundred seventy-three".

Divisors: 1 2693 18061 48638273