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83250560 = 275130079
BaseRepresentation
bin1001111011001…
…00110110000000
312210122120022002
410331210312000
5132303004220
612132203132
72030422001
oct475446600
9183576262
1083250560
1142aa1418
1223a694a8
131432aab3
14b0b11a8
157496c75
hex4f64d80

83250560 has 32 divisors (see below), whose sum is σ = 199022400. Its totient is φ = 33299968.

The previous prime is 83250551. The next prime is 83250569. The reversal of 83250560 is 6505238.

It is an interprime number because it is at equal distance from previous prime (83250551) and next prime (83250569).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83250569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64400 + ... + 65679.

It is an arithmetic number, because the mean of its divisors is an integer number (6219450).

Almost surely, 283250560 is an apocalyptic number.

83250560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83250560 is an abundant number, since it is smaller than the sum of its proper divisors (115771840).

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

83250560 is a wasteful number, since it uses less digits than its factorization.

83250560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130098 (or 130086 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 83250560 is about 9124.1744832067. The cubic root of 83250560 is about 436.6455661255.

Adding to 83250560 its reverse (6505238), we get a palindrome (89755798).

The spelling of 83250560 in words is "eighty-three million, two hundred fifty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 130079 260158 520316 650395 1040632 1300790 2081264 2601580 4162528 5203160 8325056 10406320 16650112 20812640 41625280 83250560