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68550360 = 23354113933
BaseRepresentation
bin1000001010111…
…11111011011000
311202222201102020
410011133323120
5120022102420
610445134440
71461445164
oct405377330
9152881366
1068550360
113577099a
121ab5a420
1311281a58
149165ca4
156041340
hex415fed8

68550360 has 64 divisors (see below), whose sum is σ = 210682080. Its totient is φ = 17832960.

The previous prime is 68550343. The next prime is 68550367. The reversal of 68550360 is 6305586.

It is a super-2 number, since 2×685503602 = 9398303712259200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68550367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2047 + ... + 11886.

Almost surely, 268550360 is an apocalyptic number.

68550360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68550360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105341040).

68550360 is an abundant number, since it is smaller than the sum of its proper divisors (142131720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68550360 is a wasteful number, since it uses less digits than its factorization.

68550360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13988 (or 13984 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 68550360 is about 8279.5144785187. The cubic root of 68550360 is about 409.2637192239.

The spelling of 68550360 in words is "sixty-eight million, five hundred fifty thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 13933 27866 41799 55732 69665 83598 111464 139330 167196 208995 278660 334392 417990 557320 571253 835980 1142506 1671960 1713759 2285012 2856265 3427518 4570024 5712530 6855036 8568795 11425060 13710072 17137590 22850120 34275180 68550360