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68738350 = 2525325939
BaseRepresentation
bin1000001100011…
…01110100101110
311210100021021211
410012031310232
5120044111400
610453145034
71463160232
oct406156456
9153307254
1068738350
113588a15a
121b02b17a
13113194a5
1491b45c2
15607bdba
hex418dd2e

68738350 has 24 divisors (see below), whose sum is σ = 130270680. Its totient is φ = 26975520.

The previous prime is 68738339. The next prime is 68738353. The reversal of 68738350 is 5383786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68738353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10320 + ... + 15619.

It is an arithmetic number, because the mean of its divisors is an integer number (5427945).

Almost surely, 268738350 is an apocalyptic number.

68738350 is a deficient number, since it is larger than the sum of its proper divisors (61532330).

68738350 is a wasteful number, since it uses less digits than its factorization.

68738350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26004 (or 25999 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68738350 is about 8290.8594246917. The cubic root of 68738350 is about 409.6374943742.

The spelling of 68738350 in words is "sixty-eight million, seven hundred thirty-eight thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 53 106 265 530 1325 2650 25939 51878 129695 259390 648475 1296950 1374767 2749534 6873835 13747670 34369175 68738350