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68301756 = 22322717001
BaseRepresentation
bin1000001001000…
…11001110111100
311202112002101200
410010203032330
5114441124011
610435535500
71456361325
oct404431674
9152462350
1068301756
1135611136
121aa5a590
13111c5853
1490dd44c
155ee2856
hex41233bc

68301756 has 36 divisors (see below), whose sum is σ = 173313504. Its totient is φ = 22680000.

The previous prime is 68301707. The next prime is 68301781. The reversal of 68301756 is 65710386.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 68301756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6256 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (4814264).

Almost surely, 268301756 is an apocalyptic number.

It is an amenable number.

68301756 is an abundant number, since it is smaller than the sum of its proper divisors (105011748).

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

68301756 is a wasteful number, since it uses less digits than its factorization.

68301756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7282 (or 7277 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 68301756 is about 8264.4876429214. The cubic root of 68301756 is about 408.7683761343.

The spelling of 68301756 in words is "sixty-eight million, three hundred one thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 271 542 813 1084 1626 2439 3252 4878 7001 9756 14002 21003 28004 42006 63009 84012 126018 252036 1897271 3794542 5691813 7589084 11383626 17075439 22767252 34150878 68301756