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68359383 = 343072749
BaseRepresentation
bin1000001001100…
…01010011010111
311202122000110000
410010301103113
5120000000013
610441102343
71460021331
oct404612327
9152560400
1068359383
1135650464
121aa879b3
1311215b51
149116451
156004973
hex41314d7

68359383 has 20 divisors (see below), whose sum is σ = 102487000. Its totient is φ = 45407952.

The previous prime is 68359367. The next prime is 68359391. The reversal of 68359383 is 38395386.

It is not a de Polignac number, because 68359383 - 24 = 68359367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68359303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23493 + ... + 26241.

It is an arithmetic number, because the mean of its divisors is an integer number (5124350).

Almost surely, 268359383 is an apocalyptic number.

68359383 is a deficient number, since it is larger than the sum of its proper divisors (34127617).

68359383 is a wasteful number, since it uses less digits than its factorization.

68359383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3059 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 68359383 is about 8267.9733308714. The cubic root of 68359383 is about 408.8833047239.

The spelling of 68359383 in words is "sixty-eight million, three hundred fifty-nine thousand, three hundred eighty-three".

Divisors: 1 3 9 27 81 307 921 2749 2763 8247 8289 24741 24867 74223 222669 843943 2531829 7595487 22786461 68359383