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48054805 = 531273137
BaseRepresentation
bin1011011101010…
…0001000010101
310100102102210121
42313110020111
544300223210
64433551541
71122313321
oct267241025
9110372717
1048054805
1125142317
12141155b1
139c56bc6
14654c981
1543436da
hex2dd4215

48054805 has 24 divisors (see below), whose sum is σ = 60843096. Its totient is φ = 36426240.

The previous prime is 48054803. The next prime is 48054817. The reversal of 48054805 is 50845084.

It can be written as a sum of positive squares in 4 ways, for example, as 7273809 + 40780996 = 2697^2 + 6386^2 .

It is not a de Polignac number, because 48054805 - 21 = 48054803 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48054803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350697 + ... + 350833.

It is an arithmetic number, because the mean of its divisors is an integer number (2535129).

Almost surely, 248054805 is an apocalyptic number.

It is an amenable number.

48054805 is a deficient number, since it is larger than the sum of its proper divisors (12788291).

48054805 is a wasteful number, since it uses less digits than its factorization.

48054805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 48054805 is about 6932.1573121215. The cubic root of 48054805 is about 363.5623816444.

Adding to 48054805 its reverse (50845084), we get a palindrome (98899889).

The spelling of 48054805 in words is "forty-eight million, fifty-four thousand, eight hundred five".

Divisors: 1 5 31 73 137 155 365 685 961 2263 4247 4805 10001 11315 21235 50005 70153 131657 310031 350765 658285 1550155 9610961 48054805