Search a number
-
+
48527509 = 131370439
BaseRepresentation
bin1011100100011…
…1100010010101
310101022110020011
42321013202111
544410340014
64452040221
71126322422
oct271074225
9111273204
1048527509
1125435488
1214303071
13a091104
146632d49
1543d87c4
hex2e47895

48527509 has 4 divisors (see below), whose sum is σ = 48898080. Its totient is φ = 48156940.

The previous prime is 48527491. The next prime is 48527573. The reversal of 48527509 is 90572584.

48527509 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 48527509 - 211 = 48525461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48527209) 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, 185089 + ... + 185350.

It is an arithmetic number, because the mean of its divisors is an integer number (12224520).

Almost surely, 248527509 is an apocalyptic number.

It is an amenable number.

48527509 is a deficient number, since it is larger than the sum of its proper divisors (370571).

48527509 is a wasteful number, since it uses less digits than its factorization.

48527509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370570.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 48527509 is about 6966.1688897126. The cubic root of 48527509 is about 364.7505870997.

The spelling of 48527509 in words is "forty-eight million, five hundred twenty-seven thousand, five hundred nine".

Divisors: 1 131 370439 48527509