Search a number
-
+
48440689 = 114403699
BaseRepresentation
bin1011100011001…
…0010101110001
310101011001010121
42320302111301
544400100224
64450130241
71125511333
oct270622561
9111131117
1048440689
1125386230
1214280981
13a06073b
14660d453
1543bcbe4
hex2e32571

48440689 has 4 divisors (see below), whose sum is σ = 52844400. Its totient is φ = 44036980.

The previous prime is 48440687. The next prime is 48440699. The reversal of 48440689 is 98604484.

It is a happy number.

48440689 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 48440689 - 21 = 48440687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48440687) 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, 2201839 + ... + 2201860.

It is an arithmetic number, because the mean of its divisors is an integer number (13211100).

Almost surely, 248440689 is an apocalyptic number.

It is an amenable number.

48440689 is a deficient number, since it is larger than the sum of its proper divisors (4403711).

48440689 is a wasteful number, since it uses less digits than its factorization.

48440689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403710.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 48440689 is about 6959.9345542900. The cubic root of 48440689 is about 364.5329335748.

The spelling of 48440689 in words is "forty-eight million, four hundred forty thousand, six hundred eighty-nine".

Divisors: 1 11 4403699 48440689