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68341180 = 2253499791
BaseRepresentation
bin1000001001011…
…00110110111100
311202121002110211
410010230312330
5114443404210
610440442204
71456614265
oct404546674
9152532424
1068341180
1135638816
121aa79364
131120a78b
14910d96c
155eee38a
hex412cdbc

68341180 has 24 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 27255360.

The previous prime is 68341171. The next prime is 68341187. The reversal of 68341180 is 8114386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68341187) 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 7 ways as a sum of consecutive naturals, for example, 2085 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 268341180 is an apocalyptic number.

It is an amenable number.

68341180 is an abundant number, since it is smaller than the sum of its proper divisors (75601220).

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

68341180 is a wasteful number, since it uses less digits than its factorization.

68341180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149 (or 10147 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 68341180 is about 8266.8724436754. The cubic root of 68341180 is about 408.8470084945.

The spelling of 68341180 in words is "sixty-eight million, three hundred forty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 9791 19582 39164 48955 97910 195820 3417059 6834118 13668236 17085295 34170590 68341180