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52492320 = 2533529419
BaseRepresentation
bin1100100000111…
…1100000100000
310122202212221000
43020033200200
5101414223240
65113032000
71205114556
oct310174040
9118685830
1052492320
11276a3291
12156b5600
13ab4b95a
146d85bd6
15491d430
hex320f820

52492320 has 192 divisors, whose sum is σ = 190512000. Its totient is φ = 13483008.

The previous prime is 52492309. The next prime is 52492327. The reversal of 52492320 is 2329425.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52492327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125071 + ... + 125489.

It is an arithmetic number, because the mean of its divisors is an integer number (992250).

Almost surely, 252492320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52492320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95256000).

52492320 is an abundant number, since it is smaller than the sum of its proper divisors (138019680).

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

52492320 is a wasteful number, since it uses less digits than its factorization.

52492320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52492320 is about 7245.1583833620. The cubic root of 52492320 is about 374.4253598864.

It can be divided in two parts, 5249 and 2320, that added together give a square (7569 = 872).

The spelling of 52492320 in words is "fifty-two million, four hundred ninety-two thousand, three hundred twenty".