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83080250 = 2531130211
BaseRepresentation
bin1001111001110…
…11010000111010
312210022220200022
410330323100322
5132232032000
612124410442
72026112321
oct474732072
9183286608
1083080250
1142995470
12239a6a22
131429b416
14b0690b8
157461585
hex4f3b43a

83080250 has 32 divisors (see below), whose sum is σ = 169670592. Its totient is φ = 30210000.

The previous prime is 83080243. The next prime is 83080253. The reversal of 83080250 is 5208038.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (83080253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12356 + ... + 17855.

It is an arithmetic number, because the mean of its divisors is an integer number (5302206).

Almost surely, 283080250 is an apocalyptic number.

83080250 is an abundant number, since it is smaller than the sum of its proper divisors (86590342).

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

83080250 is a wasteful number, since it uses less digits than its factorization.

83080250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30239 (or 30229 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 83080250 is about 9114.8368059993. The cubic root of 83080250 is about 436.3476066686.

Adding to 83080250 its reverse (5208038), we get a palindrome (88288288).

The spelling of 83080250 in words is "eighty-three million, eighty thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750 30211 60422 151055 302110 332321 664642 755275 1510550 1661605 3323210 3776375 7552750 8308025 16616050 41540125 83080250