Search a number
-
+
48765625 = 563121
BaseRepresentation
bin1011101000000…
…1101010111001
310101202112212021
42322001222321
544441000000
64501114441
71131333556
oct272015271
9111675767
1048765625
1125588377
12143b8a21
13a1455cc
146695a2d
15443411a
hex2e81ab9

48765625 has 14 divisors (see below), whose sum is σ = 60975782. Its totient is φ = 39000000.

The previous prime is 48765623. The next prime is 48765631. The reversal of 48765625 is 52656784.

48765625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 40908816 + 7856809 = 6396^2 + 2803^2 .

It is not a de Polignac number, because 48765625 - 21 = 48765623 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (48765623) 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 13 ways as a sum of consecutive naturals, for example, 14065 + ... + 17185.

It is an arithmetic number, because the mean of its divisors is an integer number (4355413).

Almost surely, 248765625 is an apocalyptic number.

It is an amenable number.

48765625 is a deficient number, since it is larger than the sum of its proper divisors (12210157).

48765625 is an frugal number, since it uses more digits than its factorization.

48765625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3126 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 48765625 is about 6983.2388617317. The cubic root of 48765625 is about 365.3462030789.

It can be divided in two parts, 4876 and 5625, that added together give a palindrome (10501).

The spelling of 48765625 in words is "forty-eight million, seven hundred sixty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 3121 3125 15605 15625 78025 390125 1950625 9753125 48765625