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68696285 = 5722373167
BaseRepresentation
bin1000001100000…
…11100011011101
311210021010120212
410012003203131
5120041240120
610452222205
71462623500
oct406034335
9153233525
1068696285
1135860599
121b00a965
13113032b8
1491a3137
15606e6c5
hex41838dd

68696285 has 48 divisors (see below), whose sum is σ = 102041856. Its totient is φ = 44174592.

The previous prime is 68696213. The next prime is 68696293. The reversal of 68696285 is 58269686.

It is not a de Polignac number, because 68696285 - 218 = 68434141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 411272 + ... + 411438.

It is an arithmetic number, because the mean of its divisors is an integer number (2125872).

Almost surely, 268696285 is an apocalyptic number.

It is an amenable number.

68696285 is a deficient number, since it is larger than the sum of its proper divisors (33345571).

68696285 is a wasteful number, since it uses less digits than its factorization.

68696285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 275 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 68696285 is about 8288.3222065747. The cubic root of 68696285 is about 409.5539169760.

The spelling of 68696285 in words is "sixty-eight million, six hundred ninety-six thousand, two hundred eighty-five".

Divisors: 1 5 7 23 35 49 73 115 161 167 245 365 511 805 835 1127 1169 1679 2555 3577 3841 5635 5845 8183 8395 11753 12191 17885 19205 26887 40915 58765 60955 82271 85337 134435 188209 280393 411355 426685 597359 941045 1401965 1962751 2986795 9813755 13739257 68696285