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68582030 = 25111016173
BaseRepresentation
bin1000001011001…
…11101010001110
311210001022212012
410011213222032
5120024111110
610445541222
71461636416
oct405475216
9153038765
1068582030
1135792770
121ab74812
13112932aa
149173646
15604a905
hex4167a8e

68582030 has 32 divisors (see below), whose sum is σ = 136025568. Its totient is φ = 24688000.

The previous prime is 68582027. The next prime is 68582051. The reversal of 68582030 is 3028586.

It is a Curzon number.

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, 8024 + ... + 14196.

It is an arithmetic number, because the mean of its divisors is an integer number (4250799).

Almost surely, 268582030 is an apocalyptic number.

68582030 is a deficient number, since it is larger than the sum of its proper divisors (67443538).

68582030 is a wasteful number, since it uses less digits than its factorization.

68582030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 68582030 is about 8281.4268094333. The cubic root of 68582030 is about 409.3267356032.

It can be divided in two parts, 6858 and 2030, that added together give a palindrome (8888).

The spelling of 68582030 in words is "sixty-eight million, five hundred eighty-two thousand, thirty".

Divisors: 1 2 5 10 11 22 55 101 110 202 505 1010 1111 2222 5555 6173 11110 12346 30865 61730 67903 135806 339515 623473 679030 1246946 3117365 6234730 6858203 13716406 34291015 68582030