Search a number
-
+
52533000 = 23325313449
BaseRepresentation
bin1100100001100…
…1011100001000
310122211221201200
43020121130020
5101422024000
65113544200
71205344302
oct310313410
9118757650
1052533000
1127720903
1215715060
13ab64320
146d96972
15492a500
hex3219708

52533000 has 192 divisors, whose sum is σ = 191646000. Its totient is φ = 12902400.

The previous prime is 52532999. The next prime is 52533011. The reversal of 52533000 is 33525.

It can be written as a sum of positive squares in 8 ways, for example, as 86436 + 52446564 = 294^2 + 7242^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116776 + ... + 117224.

Almost surely, 252533000 is an apocalyptic number.

52533000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52533000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95823000).

52533000 is an abundant number, since it is smaller than the sum of its proper divisors (139113000).

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

52533000 is a wasteful number, since it uses less digits than its factorization.

52533000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 52533000 is about 7247.9652317047. The cubic root of 52533000 is about 374.5220577821.

Adding to 52533000 its reverse (33525), we get a palindrome (52566525).

The spelling of 52533000 in words is "fifty-two million, five hundred thirty-three thousand".