Search a number
-
+
53207125 = 531943521
BaseRepresentation
bin1100101011111…
…0000001010101
310201010012110021
43022332001111
5102110112000
65140225141
71214152546
oct312760125
9121105407
1053207125
1128041334
121599b1b1
13b03c10a
1470d04cd
154a1011a
hex32be055

53207125 has 32 divisors (see below), whose sum is σ = 71660160. Its totient is φ = 39312000.

The previous prime is 53207123. The next prime is 53207153. The reversal of 53207125 is 52170235.

53207125 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 53207125 - 21 = 53207123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 53207125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53207123) 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 31 ways as a sum of consecutive naturals, for example, 101865 + ... + 102385.

It is an arithmetic number, because the mean of its divisors is an integer number (2239380).

Almost surely, 253207125 is an apocalyptic number.

It is an amenable number.

53207125 is a deficient number, since it is larger than the sum of its proper divisors (18453035).

53207125 is a wasteful number, since it uses less digits than its factorization.

53207125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 53207125 is about 7294.3214214895. The cubic root of 53207125 is about 376.1172605637.

The spelling of 53207125 in words is "fifty-three million, two hundred seven thousand, one hundred twenty-five".

Divisors: 1 5 19 25 43 95 125 215 475 521 817 1075 2375 2605 4085 5375 9899 13025 20425 22403 49495 65125 102125 112015 247475 425657 560075 1237375 2128285 2800375 10641425 53207125