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82450500 = 223531119263
BaseRepresentation
bin1001110101000…
…01100001000100
312202010220211020
410322201201010
5132101404000
612103111140
72020550316
oct472414104
9182126736
1082450500
11425a5310
12237424b0
131410a8a2
14ad437b6
157389ba0
hex4ea1844

82450500 has 192 divisors, whose sum is σ = 276756480. Its totient is φ = 18864000.

The previous prime is 82450471. The next prime is 82450513. The reversal of 82450500 is 505428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313369 + ... + 313631.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 282450500 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 82450500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138378240).

82450500 is an abundant number, since it is smaller than the sum of its proper divisors (194305980).

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

82450500 is a wasteful number, since it uses less digits than its factorization.

82450500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 82450500 is about 9080.2257681183. The cubic root of 82450500 is about 435.2423012628.

Adding to 82450500 its reverse (505428), we get a palindrome (82955928).

The spelling of 82450500 in words is "eighty-two million, four hundred fifty thousand, five hundred".