Search a number
-
+
52055905 = 5111019371
BaseRepresentation
bin1100011010010…
…0111101100001
310121221201021111
43012210331201
5101311242110
65055423321
71201316326
oct306447541
9117851244
1052055905
1127425410
1215524b41
13aa28115
146cb0b4d
154883e8a
hex31a4f61

52055905 has 16 divisors (see below), whose sum is σ = 68827968. Its totient is φ = 37480000.

The previous prime is 52055897. The next prime is 52055909. The reversal of 52055905 is 50955025.

52055905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52055905 - 23 = 52055897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52055909) 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 15 ways as a sum of consecutive naturals, for example, 870 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (4301748).

Almost surely, 252055905 is an apocalyptic number.

52055905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52055905 is a deficient number, since it is larger than the sum of its proper divisors (16772063).

52055905 is a wasteful number, since it uses less digits than its factorization.

52055905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 52055905 is about 7214.9778239437. The cubic root of 52055905 is about 373.3848280549.

The spelling of 52055905 in words is "fifty-two million, fifty-five thousand, nine hundred five".

Divisors: 1 5 11 55 101 505 1111 5555 9371 46855 103081 515405 946471 4732355 10411181 52055905