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68359135 = 5135319843
BaseRepresentation
bin1000001001100…
…01001111011111
311202122000002211
410010301033133
5114444443020
610441101251
71460020525
oct404611737
9152560084
1068359135
1135650259
121aa87827
13112159c0
149116315
15600485a
hex41313df

68359135 has 16 divisors (see below), whose sum is σ = 90012384. Its totient is φ = 49525632.

The previous prime is 68359133. The next prime is 68359139. The reversal of 68359135 is 53195386.

It is not a de Polignac number, because 68359135 - 21 = 68359133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68359133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6477 + ... + 13366.

It is an arithmetic number, because the mean of its divisors is an integer number (5625774).

Almost surely, 268359135 is an apocalyptic number.

68359135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68359135 is a deficient number, since it is larger than the sum of its proper divisors (21653249).

68359135 is a wasteful number, since it uses less digits than its factorization.

68359135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19914.

The product of its digits is 97200, while the sum is 40.

The square root of 68359135 is about 8267.9583332283. The cubic root of 68359135 is about 408.8828102627.

The spelling of 68359135 in words is "sixty-eight million, three hundred fifty-nine thousand, one hundred thirty-five".

Divisors: 1 5 13 53 65 265 689 3445 19843 99215 257959 1051679 1289795 5258395 13671827 68359135