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68254175 = 52111913063
BaseRepresentation
bin1000001000101…
…11100111011111
311202102200010102
410010113213133
5114433113200
610434531315
71456102523
oct404274737
9152380112
1068254175
1135589410
121aa36b3b
13111a9cb2
1490c9d83
155ed36d5
hex41179df

68254175 has 24 divisors (see below), whose sum is σ = 97196160. Its totient is φ = 47023200.

The previous prime is 68254169. The next prime is 68254229. The reversal of 68254175 is 57145286.

It is not a de Polignac number, because 68254175 - 28 = 68253919 is a prime.

It is a super-3 number, since 3×682541753 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1307 + ... + 11756.

It is an arithmetic number, because the mean of its divisors is an integer number (4049840).

Almost surely, 268254175 is an apocalyptic number.

68254175 is a deficient number, since it is larger than the sum of its proper divisors (28941985).

68254175 is a wasteful number, since it uses less digits than its factorization.

68254175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103 (or 13098 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 68254175 is about 8261.6084995599. The cubic root of 68254175 is about 408.6734340841.

Subtracting from 68254175 its reverse (57145286), we obtain a square (11108889 = 33332).

The spelling of 68254175 in words is "sixty-eight million, two hundred fifty-four thousand, one hundred seventy-five".

Divisors: 1 5 11 19 25 55 95 209 275 475 1045 5225 13063 65315 143693 248197 326575 718465 1240985 2730167 3592325 6204925 13650835 68254175