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68545336 = 2323401929
BaseRepresentation
bin1000001010111…
…10101100111000
311202222110112011
410011132230320
5120021422321
610445055304
71461424426
oct405365470
9152873464
1068545336
1135768142
121ab57534
131127c692
149164116
15603eae1
hex415eb38

68545336 has 32 divisors (see below), whose sum is σ = 134589600. Its totient is φ = 32665600.

The previous prime is 68545307. The next prime is 68545361. The reversal of 68545336 is 63354586.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73320 + ... + 74248.

It is an arithmetic number, because the mean of its divisors is an integer number (4205925).

Almost surely, 268545336 is an apocalyptic number.

It is an amenable number.

68545336 is a deficient number, since it is larger than the sum of its proper divisors (66044264).

68545336 is a wasteful number, since it uses less digits than its factorization.

68545336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1355 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 68545336 is about 8279.2110735263. The cubic root of 68545336 is about 409.2537207782.

The spelling of 68545336 in words is "sixty-eight million, five hundred forty-five thousand, three hundred thirty-six".

Divisors: 1 2 4 8 23 46 92 184 401 802 929 1604 1858 3208 3716 7432 9223 18446 21367 36892 42734 73784 85468 170936 372529 745058 1490116 2980232 8568167 17136334 34272668 68545336