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48217885 = 59643577
BaseRepresentation
bin1011011111101…
…1111100011101
310100201201111121
42313323330131
544320433020
64441250541
71123562632
oct267737435
9110651447
1048217885
11252438a1
1214193a51
139cb31c1
146592189
154376baa
hex2dfbf1d

48217885 has 4 divisors (see below), whose sum is σ = 57861468. Its totient is φ = 38574304.

The previous prime is 48217847. The next prime is 48217889. The reversal of 48217885 is 58871284.

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 7806436 + 40411449 = 2794^2 + 6357^2 .

It is a cyclic number.

It is not a de Polignac number, because 48217885 - 211 = 48215837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48217889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4821784 + ... + 4821793.

It is an arithmetic number, because the mean of its divisors is an integer number (14465367).

Almost surely, 248217885 is an apocalyptic number.

It is an amenable number.

48217885 is a deficient number, since it is larger than the sum of its proper divisors (9643583).

48217885 is an equidigital number, since it uses as much as digits as its factorization.

48217885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643582.

The product of its digits is 143360, while the sum is 43.

The square root of 48217885 is about 6943.9099216508. The cubic root of 48217885 is about 363.9731821204.

The spelling of 48217885 in words is "forty-eight million, two hundred seventeen thousand, eight hundred eighty-five".

Divisors: 1 5 9643577 48217885