Search a number
-
+
53625020 = 2254316221
BaseRepresentation
bin1100110010010…
…0000010111100
310201220102200212
43030210002330
5102212000040
65153211552
71220543111
oct314440274
9121812625
1053625020
11282a72a9
1215b60bb8
13b1573a7
14719c908
154a93d65
hex33240bc

53625020 has 24 divisors (see below), whose sum is σ = 112891968. Its totient is φ = 21396800.

The previous prime is 53625001. The next prime is 53625023. The reversal of 53625020 is 2052635.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53625023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5510 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (4703832).

Almost surely, 253625020 is an apocalyptic number.

It is an amenable number.

53625020 is an abundant number, since it is smaller than the sum of its proper divisors (59266948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53625020 is a wasteful number, since it uses less digits than its factorization.

53625020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661 (or 6659 counting only the distinct ones).

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

The square root of 53625020 is about 7322.9106235158. The cubic root of 53625020 is about 377.0993834897.

Adding to 53625020 its reverse (2052635), we get a palindrome (55677655).

The spelling of 53625020 in words is "fifty-three million, six hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 431 862 1724 2155 4310 6221 8620 12442 24884 31105 62210 124420 2681251 5362502 10725004 13406255 26812510 53625020