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68335250 = 253614481
BaseRepresentation
bin1000001001010…
…11011010010010
311202120210100012
410010223122102
5114443212000
610440354522
71456561064
oct404533222
9152523305
1068335250
1135634315
121aa75a42
1311207b79
14910b734
155eec735
hex412b692

68335250 has 32 divisors (see below), whose sum is σ = 130049712. Its totient is φ = 26880000.

The previous prime is 68335249. The next prime is 68335273. The reversal of 68335250 is 5253386.

It can be written as a sum of positive squares in 8 ways, for example, as 58081 + 68277169 = 241^2 + 8263^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13010 + ... + 17490.

Almost surely, 268335250 is an apocalyptic number.

68335250 is a deficient number, since it is larger than the sum of its proper divisors (61714462).

68335250 is a wasteful number, since it uses less digits than its factorization.

68335250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4549 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 68335250 is about 8266.5137754679. The cubic root of 68335250 is about 408.8351828628.

The spelling of 68335250 in words is "sixty-eight million, three hundred thirty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 61 122 125 250 305 610 1525 3050 4481 7625 8962 15250 22405 44810 112025 224050 273341 546682 560125 1120250 1366705 2733410 6833525 13667050 34167625 68335250