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83283390 = 235534273
BaseRepresentation
bin1001111011011…
…00110110111110
312210201020100000
410331230312332
5132310032030
612133015130
72030616501
oct475546676
9183636300
1083283390
1143014053
1223a844a6
131433ca18
14b0bd138
1574a1860
hex4f6cdbe

83283390 has 48 divisors (see below), whose sum is σ = 224563248. Its totient is φ = 22208256.

The previous prime is 83283377. The next prime is 83283427. The reversal of 83283390 is 9338238.

It is a super-2 number, since 2×832833902 = 13872246099784200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14707 + ... + 19566.

It is an arithmetic number, because the mean of its divisors is an integer number (4678401).

Almost surely, 283283390 is an apocalyptic number.

83283390 is an abundant number, since it is smaller than the sum of its proper divisors (141279858).

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

83283390 is a wasteful number, since it uses less digits than its factorization.

83283390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34295 (or 34283 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 83283390 is about 9125.9733727422. The cubic root of 83283390 is about 436.7029558896.

The spelling of 83283390 in words is "eighty-three million, two hundred eighty-three thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 34273 68546 102819 171365 205638 308457 342730 514095 616914 925371 1028190 1542285 1850742 2776113 3084570 4626855 5552226 8328339 9253710 13880565 16656678 27761130 41641695 83283390