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52552900 = 2252525529
BaseRepresentation
bin1100100001111…
…0010011000100
310122212222000201
43020132103010
5101423143100
65114220244
71205456311
oct310362304
9118788021
1052552900
1127734854
1215724684
13ab703ba
146d9dd08
15493136a
hex321e4c4

52552900 has 18 divisors (see below), whose sum is σ = 114040010. Its totient is φ = 21021120.

The previous prime is 52552897. The next prime is 52552921. The reversal of 52552900 is 925525.

It can be written as a sum of positive squares in 3 ways, for example, as 1658944 + 50893956 = 1288^2 + 7134^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 262665 + ... + 262864.

Almost surely, 252552900 is an apocalyptic number.

52552900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52552900 is an abundant number, since it is smaller than the sum of its proper divisors (61487110).

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

52552900 is a wasteful number, since it uses less digits than its factorization.

52552900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525543 (or 525536 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 52552900 is about 7249.3379008017. The cubic root of 52552900 is about 374.5693426510.

The spelling of 52552900 in words is "fifty-two million, five hundred fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 525529 1051058 2102116 2627645 5255290 10510580 13138225 26276450 52552900