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83224648 = 2313800237
BaseRepresentation
bin1001111010111…
…10100001001000
312210121020202101
410331132201020
5132301142043
612131443144
72030253313
oct475364110
9183536671
1083224648
1142a83a01
1223a564b4
131431c070
14b0a597a
15748e24d
hex4f5e848

83224648 has 16 divisors (see below), whose sum is σ = 168049980. Its totient is φ = 38411328.

The previous prime is 83224637. The next prime is 83224657. The reversal of 83224648 is 84642238.

It can be written as a sum of positive squares in 2 ways, for example, as 78889924 + 4334724 = 8882^2 + 2082^2 .

It is a super-3 number, since 3×832246483 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400015 + ... + 400222.

Almost surely, 283224648 is an apocalyptic number.

It is an amenable number.

83224648 is an abundant number, since it is smaller than the sum of its proper divisors (84825332).

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

83224648 is a wasteful number, since it uses less digits than its factorization.

83224648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800256 (or 800252 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 83224648 is about 9122.7544086202. The cubic root of 83224648 is about 436.6002589869.

The spelling of 83224648 in words is "eighty-three million, two hundred twenty-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 800237 1600474 3200948 6401896 10403081 20806162 41612324 83224648