Search a number
-
+
49288903 = 179275357
BaseRepresentation
bin1011110000000…
…1011011000111
310102202010122221
42330001123013
5100104221103
64520233211
71135643266
oct274013307
9112663587
1049288903
1125905534
121460b807
13a299841
1467905dd
1544d91bd
hex2f016c7

49288903 has 4 divisors (see below), whose sum is σ = 49564440. Its totient is φ = 49013368.

The previous prime is 49288891. The next prime is 49288913. The reversal of 49288903 is 30988294.

It is a happy number.

49288903 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.

It is a cyclic number.

It is not a de Polignac number, because 49288903 - 225 = 15734471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49288903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49288913) 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, 137500 + ... + 137857.

It is an arithmetic number, because the mean of its divisors is an integer number (12391110).

Almost surely, 249288903 is an apocalyptic number.

49288903 is a deficient number, since it is larger than the sum of its proper divisors (275537).

49288903 is a wasteful number, since it uses less digits than its factorization.

49288903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275536.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 49288903 is about 7020.6056006587. The cubic root of 49288903 is about 366.6483352635.

It can be divided in two parts, 4928 and 8903, that added together give a palindrome (13831).

The spelling of 49288903 in words is "forty-nine million, two hundred eighty-eight thousand, nine hundred three".

Divisors: 1 179 275357 49288903