Search a number
-
+
53006225 = 522120249
BaseRepresentation
bin1100101000110…
…0111110010001
310200201222212112
43022030332101
5102032144400
65132035105
71212355046
oct312147621
9120658775
1053006225
1127a143a8
1215902a95
13ac9b83c
14707b1cd
1549c0835
hex328cf91

53006225 has 6 divisors (see below), whose sum is σ = 65727750. Its totient is φ = 42404960.

The previous prime is 53006209. The next prime is 53006227. The reversal of 53006225 is 52260035.

It is a happy number.

53006225 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 3 ways, for example, as 66049 + 52940176 = 257^2 + 7276^2 .

It is not a de Polignac number, because 53006225 - 24 = 53006209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53006225.

It is not an unprimeable number, because it can be changed into a prime (53006227) 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 5 ways as a sum of consecutive naturals, for example, 1060100 + ... + 1060149.

It is an arithmetic number, because the mean of its divisors is an integer number (10954625).

Almost surely, 253006225 is an apocalyptic number.

It is an amenable number.

53006225 is a deficient number, since it is larger than the sum of its proper divisors (12721525).

53006225 is a wasteful number, since it uses less digits than its factorization.

53006225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120259 (or 2120254 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53006225 is about 7280.5374114828. The cubic root of 53006225 is about 375.6432810595.

The spelling of 53006225 in words is "fifty-three million, six thousand, two hundred twenty-five".

Divisors: 1 5 25 2120249 10601245 53006225