Search a number
-
+
48531129 = 316177043
BaseRepresentation
bin1011100100100…
…0011010111001
310101022122012020
42321020122321
544410444004
64452105053
71126336113
oct271103271
9111278166
1048531129
1125438179
1214305189
13a09295a
1466343b3
1543d98d9
hex2e486b9

48531129 has 4 divisors (see below), whose sum is σ = 64708176. Its totient is φ = 32354084.

The previous prime is 48531121. The next prime is 48531139. The reversal of 48531129 is 92113584.

48531129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48531129 - 23 = 48531121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48531129.

It is not an unprimeable number, because it can be changed into a prime (48531121) 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 3 ways as a sum of consecutive naturals, for example, 8088519 + ... + 8088524.

It is an arithmetic number, because the mean of its divisors is an integer number (16177044).

Almost surely, 248531129 is an apocalyptic number.

It is an amenable number.

48531129 is a deficient number, since it is larger than the sum of its proper divisors (16177047).

48531129 is a wasteful number, since it uses less digits than its factorization.

48531129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16177046.

The product of its digits is 8640, while the sum is 33.

The square root of 48531129 is about 6966.4287120446. The cubic root of 48531129 is about 364.7596566242.

The spelling of 48531129 in words is "forty-eight million, five hundred thirty-one thousand, one hundred twenty-nine".

Divisors: 1 3 16177043 48531129