Search a number
-
+
48912473 = 291686637
BaseRepresentation
bin1011101010010…
…1100001011001
310102001000022002
42322211201121
5100010144343
64504210345
71132514651
oct272454131
9112030262
1048912473
1125678735
12144699b5
13a1973bc
1466d3361
1544628b8
hex2ea5859

48912473 has 4 divisors (see below), whose sum is σ = 50599140. Its totient is φ = 47225808.

The previous prime is 48912449. The next prime is 48912491. The reversal of 48912473 is 37421984.

48912473 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 can be written as a sum of positive squares in 2 ways, for example, as 20322064 + 28590409 = 4508^2 + 5347^2 .

It is a cyclic number.

It is not a de Polignac number, because 48912473 - 222 = 44718169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48912443) 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, 843290 + ... + 843347.

It is an arithmetic number, because the mean of its divisors is an integer number (12649785).

Almost surely, 248912473 is an apocalyptic number.

It is an amenable number.

48912473 is a deficient number, since it is larger than the sum of its proper divisors (1686667).

48912473 is a wasteful number, since it uses less digits than its factorization.

48912473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686666.

The product of its digits is 48384, while the sum is 38.

The square root of 48912473 is about 6993.7452770315. The cubic root of 48912473 is about 365.7125581133.

The spelling of 48912473 in words is "forty-eight million, nine hundred twelve thousand, four hundred seventy-three".

Divisors: 1 29 1686637 48912473