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48131986 = 273499851
BaseRepresentation
bin1011011110011…
…0111110010010
310100120100200011
42313212332102
544310210421
64435345134
71123054330
oct267467622
9110510604
1048131986
1125195301
12141521aa
139c83086
14656cb50
15435b4e1
hex2de6f92

48131986 has 16 divisors (see below), whose sum is σ = 82756800. Its totient is φ = 20566800.

The previous prime is 48131969. The next prime is 48131987. The reversal of 48131986 is 68913184.

It is not an unprimeable number, because it can be changed into a prime (48131987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 9811.

It is an arithmetic number, because the mean of its divisors is an integer number (5172300).

Almost surely, 248131986 is an apocalyptic number.

48131986 is a deficient number, since it is larger than the sum of its proper divisors (34624814).

48131986 is a wasteful number, since it uses less digits than its factorization.

48131986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209.

The product of its digits is 41472, while the sum is 40.

The square root of 48131986 is about 6937.7219604132. The cubic root of 48131986 is about 363.7569171620.

The spelling of 48131986 in words is "forty-eight million, one hundred thirty-one thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 349 698 2443 4886 9851 19702 68957 137914 3437999 6875998 24065993 48131986