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83080008 = 233211195521
BaseRepresentation
bin1001111001110…
…11001101001000
312210022220100100
410330323031020
5132232030013
612124405400
72026111524
oct474731510
9183286310
1083080008
1142995270
12239a6860
131429b28b
14b068d84
157461473
hex4f3b348

83080008 has 96 divisors (see below), whose sum is σ = 258429600. Its totient is φ = 23846400.

The previous prime is 83079961. The next prime is 83080009. The reversal of 83080008 is 80008038.

It is not an unprimeable number, because it can be changed into a prime (83080009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12288 + ... + 17808.

It is an arithmetic number, because the mean of its divisors is an integer number (2691975).

Almost surely, 283080008 is an apocalyptic number.

83080008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83080008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129214800).

83080008 is an abundant number, since it is smaller than the sum of its proper divisors (175349592).

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

83080008 is a wasteful number, since it uses less digits than its factorization.

83080008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563 (or 5556 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 83080008 is about 9114.8235309303. The cubic root of 83080008 is about 436.3471829970.

The spelling of 83080008 in words is "eighty-three million, eighty thousand, eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 19 22 24 33 36 38 44 57 66 72 76 88 99 114 132 152 171 198 209 228 264 342 396 418 456 627 684 792 836 1254 1368 1672 1881 2508 3762 5016 5521 7524 11042 15048 16563 22084 33126 44168 49689 60731 66252 99378 104899 121462 132504 182193 198756 209798 242924 314697 364386 397512 419596 485848 546579 629394 728772 839192 944091 1093158 1153889 1258788 1457544 1888182 2186316 2307778 2517576 3461667 3776364 4372632 4615556 6923334 7552728 9231112 10385001 13846668 20770002 27693336 41540004 83080008