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52522100 = 2252525221
BaseRepresentation
bin1100100001011…
…0110001110100
310122211101202222
43020112301310
5101421201400
65113421512
71205300441
oct310266164
9118741688
1052522100
11277136a4
121570a898
13ab5c387
146d929c8
154927185
hex3216c74

52522100 has 18 divisors (see below), whose sum is σ = 113973174. Its totient is φ = 21008800.

The previous prime is 52522081. The next prime is 52522109. The reversal of 52522100 is 122525.

It can be written as a sum of positive squares in 3 ways, for example, as 364816 + 52157284 = 604^2 + 7222^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52522109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262511 + ... + 262710.

It is an arithmetic number, because the mean of its divisors is an integer number (6331843).

Almost surely, 252522100 is an apocalyptic number.

52522100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52522100 is an abundant number, since it is smaller than the sum of its proper divisors (61451074).

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

52522100 is a wasteful number, since it uses less digits than its factorization.

52522100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525235 (or 525228 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52522100 is about 7247.2132575218. The cubic root of 52522100 is about 374.4961529679.

Adding to 52522100 its reverse (122525), we get a palindrome (52644625).

The spelling of 52522100 in words is "fifty-two million, five hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 525221 1050442 2100884 2626105 5252210 10504420 13130525 26261050 52522100