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53520201 = 3272157773
BaseRepresentation
bin1100110000101…
…0011101001001
310201201002220200
43030022131021
5102200121301
65151042413
71216625400
oct314123511
9121632820
1053520201
1128235579
1215b10409
13b11b777
147172637
154a72c86
hex330a749

53520201 has 36 divisors (see below), whose sum is σ = 90618372. Its totient is φ = 30348864.

The previous prime is 53520191. The next prime is 53520217. The reversal of 53520201 is 10202535.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8643600 + 44876601 = 2940^2 + 6699^2 .

It is not a de Polignac number, because 53520201 - 215 = 53487433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53520221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68851 + ... + 69623.

It is an arithmetic number, because the mean of its divisors is an integer number (2517177).

Almost surely, 253520201 is an apocalyptic number.

It is an amenable number.

53520201 is a deficient number, since it is larger than the sum of its proper divisors (37098171).

53520201 is a wasteful number, since it uses less digits than its factorization.

53520201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53520201 is about 7315.7502007655. The cubic root of 53520201 is about 376.8535221211.

Adding to 53520201 its reverse (10202535), we get a palindrome (63722736).

It can be divided in two parts, 535 and 20201, that added together give a 4-th power (20736 = 124).

The spelling of 53520201 in words is "fifty-three million, five hundred twenty thousand, two hundred one".

Divisors: 1 3 7 9 21 49 63 147 157 441 471 773 1099 1413 2319 3297 5411 6957 7693 9891 16233 23079 37877 48699 69237 113631 121361 340893 364083 849527 1092249 2548581 5946689 7645743 17840067 53520201