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68901180 = 22354672459
BaseRepresentation
bin1000001101101…
…01100100111100
311210122112122120
410012311210330
5120114314210
610500442540
71464436035
oct406654474
9153575576
1068901180
1135990527
121b0a9450
131137563a
149217a8c
1560b0270
hex41b593c

68901180 has 48 divisors (see below), whose sum is σ = 193415040. Its totient is φ = 18326848.

The previous prime is 68901167. The next prime is 68901181. The reversal of 68901180 is 8110986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68901181) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26791 + ... + 29249.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 268901180 is an apocalyptic number.

68901180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68901180 is an abundant number, since it is smaller than the sum of its proper divisors (124513860).

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

68901180 is a wasteful number, since it uses less digits than its factorization.

68901180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 68901180 is about 8300.6734666532. The cubic root of 68901180 is about 409.9606942292.

The spelling of 68901180 in words is "sixty-eight million, nine hundred one thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 467 934 1401 1868 2335 2459 2802 4670 4918 5604 7005 7377 9340 9836 12295 14010 14754 24590 28020 29508 36885 49180 73770 147540 1148353 2296706 3445059 4593412 5741765 6890118 11483530 13780236 17225295 22967060 34450590 68901180