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83228418 = 23371316937
BaseRepresentation
bin1001111010111…
…11011100000010
312210121102221000
410331133130002
5132301302133
612131512430
72030300310
oct475373402
9183542830
1083228418
1142a86819
1223a58716
13143209b0
14b0a70b0
157490413
hex4f5f702

83228418 has 64 divisors (see below), whose sum is σ = 227646720. Its totient is φ = 21949056.

The previous prime is 83228393. The next prime is 83228419. The reversal of 83228418 is 81482238.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83228419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3555 + ... + 13382.

It is an arithmetic number, because the mean of its divisors is an integer number (3556980).

Almost surely, 283228418 is an apocalyptic number.

83228418 is an abundant number, since it is smaller than the sum of its proper divisors (144418302).

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

83228418 is a wasteful number, since it uses less digits than its factorization.

83228418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16968 (or 16962 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 83228418 is about 9122.9610324719. The cubic root of 83228418 is about 436.6068514174.

The spelling of 83228418 in words is "eighty-three million, two hundred twenty-eight thousand, four hundred eighteen".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 4914 16937 33874 50811 101622 118559 152433 220181 237118 304866 355677 440362 457299 660543 711354 914598 1067031 1321086 1541267 1981629 2134062 3082534 3201093 3963258 4623801 5944887 6402186 9247602 11889774 13871403 27742806 41614209 83228418