Search a number
-
+
48831188 = 2271743971
BaseRepresentation
bin1011101001000…
…1101011010100
310101212212210112
42322101223110
5100000044223
64502342152
71132025660
oct272215324
9111785715
1048831188
112562265a
121442a958
13a1693c3
1466b18a0
154448778
hex2e91ad4

48831188 has 12 divisors (see below), whose sum is σ = 97662432. Its totient is φ = 20927640.

The previous prime is 48831163. The next prime is 48831227. The reversal of 48831188 is 88113884.

48831188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

48831188 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871958 + ... + 872013.

It is an arithmetic number, because the mean of its divisors is an integer number (8138536).

Almost surely, 248831188 is an apocalyptic number.

It is an amenable number.

48831188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

48831188 is a wasteful number, since it uses less digits than its factorization.

48831188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743982 (or 1743980 counting only the distinct ones).

The product of its digits is 49152, while the sum is 41.

The square root of 48831188 is about 6987.9315966887. The cubic root of 48831188 is about 365.5098597974.

The spelling of 48831188 in words is "forty-eight million, eight hundred thirty-one thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1743971 3487942 6975884 12207797 24415594 48831188