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83980798 = 21119316481
BaseRepresentation
bin1010000000101…
…11000111111110
312212000122222221
411000113013332
5132444341143
612155555554
72036552656
oct500270776
9185018887
1083980798
1143450020
122415bbba
13145252a5
14b221366
15758d2ed
hex50171fe

83980798 has 32 divisors (see below), whose sum is σ = 149345280. Its totient is φ = 34992000.

The previous prime is 83980789. The next prime is 83980801. The reversal of 83980798 is 89708938.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9718 + ... + 16198.

It is an arithmetic number, because the mean of its divisors is an integer number (4667040).

Almost surely, 283980798 is an apocalyptic number.

83980798 is a deficient number, since it is larger than the sum of its proper divisors (65364482).

83980798 is a wasteful number, since it uses less digits than its factorization.

83980798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 83980798 is about 9164.1037750562. The cubic root of 83980798 is about 437.9185402049.

The spelling of 83980798 in words is "eighty-three million, nine hundred eighty thousand, seven hundred ninety-eight".

Divisors: 1 2 11 19 22 31 38 62 209 341 418 589 682 1178 6479 6481 12958 12962 71291 123139 142582 200911 246278 401822 1354529 2210021 2709058 3817309 4420042 7634618 41990399 83980798