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68636301 = 3232934301
BaseRepresentation
bin1000001011101…
…00111010001101
311210011002022020
410011310322031
5120032330201
610451040353
71462253556
oct405647215
9153132266
1068636301
113581a518
121aba00b9
13112b1bc6
14918932d
15605ba36
hex4174e8d

68636301 has 16 divisors (see below), whose sum is σ = 98789760. Its totient is φ = 42257600.

The previous prime is 68636237. The next prime is 68636311. The reversal of 68636301 is 10363686.

It is a cyclic number.

It is not a de Polignac number, because 68636301 - 26 = 68636237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68636311) 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, 15150 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (6174360).

Almost surely, 268636301 is an apocalyptic number.

It is an amenable number.

68636301 is a deficient number, since it is larger than the sum of its proper divisors (30153459).

68636301 is a wasteful number, since it uses less digits than its factorization.

68636301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34356.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 68636301 is about 8284.7028311219. The cubic root of 68636301 is about 409.4346779420.

Adding to 68636301 its reverse (10363686), we get a palindrome (78999987).

The spelling of 68636301 in words is "sixty-eight million, six hundred thirty-six thousand, three hundred one".

Divisors: 1 3 23 29 69 87 667 2001 34301 102903 788923 994729 2366769 2984187 22878767 68636301