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5212312252 = 2274310142863
BaseRepresentation
bin1001101101010110…
…11001001010111100
3111110020212220012221
410312223121022330
541133322443002
62221113535124
7243110631430
oct46653311274
914406786187
105212312252
11223523a384
1210157144a4
13650b37044
1437636a9c0
152078e3c37
hex136ad92bc

5212312252 has 48 divisors (see below), whose sum is σ = 10772923392. Its totient is φ = 2160244800.

The previous prime is 5212312249. The next prime is 5212312289. The reversal of 5212312252 is 2522132125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100173 + ... + 143035.

It is an arithmetic number, because the mean of its divisors is an integer number (224435904).

Almost surely, 25212312252 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 5212312252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5386461696).

5212312252 is an abundant number, since it is smaller than the sum of its proper divisors (5560611140).

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

5212312252 is a wasteful number, since it uses less digits than its factorization.

5212312252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43018 (or 43016 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 5212312252 is about 72196.3451429503. The cubic root of 5212312252 is about 1733.8444860170.

Adding to 5212312252 its reverse (2522132125), we get a palindrome (7734444377).

The spelling of 5212312252 in words is "five billion, two hundred twelve million, three hundred twelve thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 43 86 101 172 202 301 404 602 707 1204 1414 2828 4343 8686 17372 30401 42863 60802 85726 121604 171452 300041 600082 1200164 1843109 3686218 4329163 7372436 8658326 12901763 17316652 25803526 30304141 51607052 60608282 121216564 186154009 372308018 744616036 1303078063 2606156126 5212312252