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68114790 = 2335252277
BaseRepresentation
bin1000000111101…
…01100101100110
311202011120221000
410003311211212
5114414133130
610431534130
71454652252
oct403654546
9152146830
1068114790
11354a3717
121a98a346
131115b713
149091262
155ea7260
hex40f5966

68114790 has 32 divisors (see below), whose sum is σ = 181640160. Its totient is φ = 18163872.

The previous prime is 68114779. The next prime is 68114803. The reversal of 68114790 is 9741186.

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 15 ways as a sum of consecutive naturals, for example, 125869 + ... + 126408.

It is an arithmetic number, because the mean of its divisors is an integer number (5676255).

Almost surely, 268114790 is an apocalyptic number.

68114790 is an abundant number, since it is smaller than the sum of its proper divisors (113525370).

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

68114790 is a wasteful number, since it uses less digits than its factorization.

68114790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252293 (or 252287 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 68114790 is about 8253.1684824678. The cubic root of 68114790 is about 408.3950542086.

The spelling of 68114790 in words is "sixty-eight million, one hundred fourteen thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 252277 504554 756831 1261385 1513662 2270493 2522770 3784155 4540986 6811479 7568310 11352465 13622958 22704930 34057395 68114790