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245523530252 = 2271113791136869
BaseRepresentation
bin1110010010101001010…
…1111100001000001100
3212110201221211122001102
43210222111330020030
513010313010432002
6304443021202232
723511205400360
oct3445225741014
9773657748042
10245523530252
11951426a5280
123b701400378
131a1ca833620
14bc520ad2a0
1565bed27a02
hex392a57c20c

245523530252 has 192 divisors, whose sum is σ = 589452595200. Its totient is φ = 86398341120.

The previous prime is 245523530243. The next prime is 245523530257. The reversal of 245523530252 is 252035325542.

It is not an unprimeable number, because it can be changed into a prime (245523530257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35740274 + ... + 35747142.

It is an arithmetic number, because the mean of its divisors is an integer number (3070065600).

Almost surely, 2245523530252 is an apocalyptic number.

245523530252 is a gapful number since it is divisible by the number (22) 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 245523530252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294726297600).

245523530252 is an abundant number, since it is smaller than the sum of its proper divisors (343929064948).

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

245523530252 is a wasteful number, since it uses less digits than its factorization.

245523530252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096 (or 7094 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 245523530252 its reverse (252035325542), we get a palindrome (497558855794).

The spelling of 245523530252 in words is "two hundred forty-five billion, five hundred twenty-three million, five hundred thirty thousand, two hundred fifty-two".