Search a number
-
+
48138144 = 2532917291
BaseRepresentation
bin1011011110100…
…0011110100000
310100120200010020
42313220132200
544310410034
64435433440
71123111305
oct267503640
9110520106
1048138144
112519999a
1214155880
139c85b12
1465710ac
15435d249
hex2de87a0

48138144 has 48 divisors (see below), whose sum is σ = 130727520. Its totient is φ = 15491840.

The previous prime is 48138143. The next prime is 48138157. The reversal of 48138144 is 44183184.

48138144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48138143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5862 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (2723490).

Almost surely, 248138144 is an apocalyptic number.

It is an amenable number.

48138144 is an abundant number, since it is smaller than the sum of its proper divisors (82589376).

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

48138144 is a wasteful number, since it uses less digits than its factorization.

48138144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17333 (or 17325 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 48138144 is about 6938.1657518396. The cubic root of 48138144 is about 363.7724295046.

The spelling of 48138144 in words is "forty-eight million, one hundred thirty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 232 348 464 696 928 1392 2784 17291 34582 51873 69164 103746 138328 207492 276656 414984 501439 553312 829968 1002878 1504317 1659936 2005756 3008634 4011512 6017268 8023024 12034536 16046048 24069072 48138144