Search a number
-
+
48531018 = 2312763689
BaseRepresentation
bin1011100100100…
…0011001001010
310101022122001010
42321020121022
544410443033
64452104350
71126335564
oct271103112
9111278033
1048531018
1125438088
12143050b6
13a0928a3
146634334
1543d9863
hex2e4864a

48531018 has 16 divisors (see below), whose sum is σ = 97827840. Its totient is φ = 16049376.

The previous prime is 48530941. The next prime is 48531023. The reversal of 48531018 is 81013584.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31083 + ... + 32606.

It is an arithmetic number, because the mean of its divisors is an integer number (6114240).

Almost surely, 248531018 is an apocalyptic number.

48531018 is an abundant number, since it is smaller than the sum of its proper divisors (49296822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48531018 is a wasteful number, since it uses less digits than its factorization.

48531018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63821.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 48531018 is about 6966.4207452608. The cubic root of 48531018 is about 364.7593785322.

The spelling of 48531018 in words is "forty-eight million, five hundred thirty-one thousand, eighteen".

Divisors: 1 2 3 6 127 254 381 762 63689 127378 191067 382134 8088503 16177006 24265509 48531018