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48105985 = 59621197
BaseRepresentation
bin1011011110000…
…0101000000001
310100112001000011
42313200220001
544303342420
64435024521
71122615454
oct267405001
9110461004
1048105985
1125177814
121413b141
139c742a5
14656349b
15435395a
hex2de0a01

48105985 has 4 divisors (see below), whose sum is σ = 57727188. Its totient is φ = 38484784.

The previous prime is 48105977. The next prime is 48105989. The reversal of 48105985 is 58950184.

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 18870336 + 29235649 = 4344^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 48105985 - 23 = 48105977 is a prime.

It is a super-3 number, since 3×481059853 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48105989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4810594 + ... + 4810603.

It is an arithmetic number, because the mean of its divisors is an integer number (14431797).

Almost surely, 248105985 is an apocalyptic number.

It is an amenable number.

48105985 is a deficient number, since it is larger than the sum of its proper divisors (9621203).

48105985 is an equidigital number, since it uses as much as digits as its factorization.

48105985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9621202.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 48105985 is about 6935.8478212833. The cubic root of 48105985 is about 363.6914046135.

The spelling of 48105985 in words is "forty-eight million, one hundred five thousand, nine hundred eighty-five".

Divisors: 1 5 9621197 48105985