Search a number
-
+
48513805 = 59702761
BaseRepresentation
bin1011100100010…
…0001100001101
310101021202102121
42321010030031
544404420210
64451452541
71126234444
oct271041415
9111252377
1048513805
112542615a
12142b7151
13a087ac2
14662bd5b
1543d46da
hex2e4430d

48513805 has 4 divisors (see below), whose sum is σ = 58216572. Its totient is φ = 38811040.

The previous prime is 48513799. The next prime is 48513827. The reversal of 48513805 is 50831584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26357956 + 22155849 = 5134^2 + 4707^2 .

It is not a de Polignac number, because 48513805 - 221 = 46416653 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 4851376 + ... + 4851385.

It is an arithmetic number, because the mean of its divisors is an integer number (14554143).

Almost surely, 248513805 is an apocalyptic number.

It is an amenable number.

48513805 is a deficient number, since it is larger than the sum of its proper divisors (9702767).

48513805 is an equidigital number, since it uses as much as digits as its factorization.

48513805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702766.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 48513805 is about 6965.1852093107. The cubic root of 48513805 is about 364.7162491009.

The spelling of 48513805 in words is "forty-eight million, five hundred thirteen thousand, eight hundred five".

Divisors: 1 5 9702761 48513805