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68355333 = 342336691
BaseRepresentation
bin1000001001100…
…00010100000101
311202121210220000
410010300110011
5114444332313
610441031513
71460003454
oct404602405
9152553800
1068355333
1135648412
121aa85599
1311214057
149114b9b
156003673
hex4130505

68355333 has 20 divisors (see below), whose sum is σ = 106553568. Its totient is φ = 43587720.

The previous prime is 68355299. The next prime is 68355347. The reversal of 68355333 is 33355386.

It is a de Polignac number, because none of the positive numbers 2k-68355333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68350333) 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, 16483 + ... + 20208.

Almost surely, 268355333 is an apocalyptic number.

It is an amenable number.

68355333 is a deficient number, since it is larger than the sum of its proper divisors (38198235).

68355333 is a wasteful number, since it uses less digits than its factorization.

68355333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36726 (or 36717 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 68355333 is about 8267.7284062794. The cubic root of 68355333 is about 408.8752297042.

The spelling of 68355333 in words is "sixty-eight million, three hundred fifty-five thousand, three hundred thirty-three".

Divisors: 1 3 9 23 27 69 81 207 621 1863 36691 110073 330219 843893 990657 2531679 2971971 7595037 22785111 68355333