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52302250 = 25371121319
BaseRepresentation
bin1100011110000…
…1000110101010
310122102020012101
43013201012222
5101342133000
65105004014
71203363460
oct307410652
9118366171
1052302250
1127583500
121562360a
13aab32a0
146d36830
1548d1e6a
hex31e11aa

52302250 has 192 divisors, whose sum is σ = 139426560. Its totient is φ = 14256000.

The previous prime is 52302247. The next prime is 52302259. The reversal of 52302250 is 5220325.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52302259) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2752741 + ... + 2752759.

It is an arithmetic number, because the mean of its divisors is an integer number (726180).

Almost surely, 252302250 is an apocalyptic number.

52302250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52302250 is an abundant number, since it is smaller than the sum of its proper divisors (87124310).

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

52302250 is a wasteful number, since it uses less digits than its factorization.

52302250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 52302250 is about 7232.0294523737. The cubic root of 52302250 is about 373.9728930757.

Adding to 52302250 its reverse (5220325), we get a palindrome (57522575).

The spelling of 52302250 in words is "fifty-two million, three hundred two thousand, two hundred fifty".