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68323485 = 354554899
BaseRepresentation
bin1000001001010…
…00100010011101
311202120012012110
410010220202131
5114442322420
610440224233
71456511556
oct404504235
9152505173
1068323485
113562649a
121aa6b079
13112026c9
14910732d
155ee8ee0
hex412889d

68323485 has 8 divisors (see below), whose sum is σ = 109317600. Its totient is φ = 36439184.

The previous prime is 68323481. The next prime is 68323499. The reversal of 68323485 is 58432386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68323485 - 22 = 68323481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68323481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277435 + ... + 2277464.

It is an arithmetic number, because the mean of its divisors is an integer number (13664700).

Almost surely, 268323485 is an apocalyptic number.

It is an amenable number.

68323485 is a deficient number, since it is larger than the sum of its proper divisors (40994115).

68323485 is a wasteful number, since it uses less digits than its factorization.

68323485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554907.

The product of its digits is 138240, while the sum is 39.

The square root of 68323485 is about 8265.8021389336. The cubic root of 68323485 is about 408.8117190234.

The spelling of 68323485 in words is "sixty-eight million, three hundred twenty-three thousand, four hundred eighty-five".

Divisors: 1 3 5 15 4554899 13664697 22774495 68323485